Finding the Fourth Proportional to 370,131,089,196.03, 555,234,675,002.55 and 128,107,803,356.18

Step by Step Solution

1. Step 1: Write the proportion equation
   370,131,089,196.03 : 555,234,675,002.55 = 128,107,803,356.18 : x
2. Step 2: Convert to fraction form
   370,131,089,196.03/555,234,675,002.55 = 128,107,803,356.18/x
3. Step 3: Cross multiply
   370,131,089,196.03x = 555,234,675,002.55 × 128,107,803,356.18
4. Step 4: Simplify right side
   370,131,089,196.03x = 71,129,894,561,759,191,105,536
5. Step 5: Solve for x
   x = 71,129,894,561,759,191,105,536/370,131,089,196.03
6. Step 6: Final answer
   x = 192,174,871,654.96