Finding the Fourth Proportional to 300,680,401.89, 451,021,443.63 and 93,449,115.06

Step by Step Solution

1. Step 1: Write the proportion equation
   300,680,401.89 : 451,021,443.63 = 93,449,115.06 : x
2. Step 2: Convert to fraction form
   300,680,401.89/451,021,443.63 = 93,449,115.06/x
3. Step 3: Cross multiply
   300,680,401.89x = 451,021,443.63 × 93,449,115.06
4. Step 4: Simplify right side
   300,680,401.89x = 42,147,554,781,998,504
5. Step 5: Solve for x
   x = 42,147,554,781,998,504/300,680,401.89
6. Step 6: Final answer
   x = 140,173,933.91