Finding the Fourth Proportional to 370,016.78, 555,025.29 and 130,307.69

Step by Step Solution

1. Step 1: Write the proportion equation
   370,016.78 : 555,025.29 = 130,307.69 : x
2. Step 2: Convert to fraction form
   370,016.78/555,025.29 = 130,307.69/x
3. Step 3: Cross multiply
   370,016.78x = 555,025.29 × 130,307.69
4. Step 4: Simplify right side
   370,016.78x = 72,324,061,574.86
5. Step 5: Solve for x
   x = 72,324,061,574.86/370,016.78
6. Step 6: Final answer
   x = 195,461.57