Finding the Fourth Proportional to 149,967,002.88, 206,970,050.88 and 86,389,535.52

Step by Step Solution

1. Step 1: Write the proportion equation
   149,967,002.88 : 206,970,050.88 = 86,389,535.52 : x
2. Step 2: Convert to fraction form
   149,967,002.88/206,970,050.88 = 86,389,535.52/x
3. Step 3: Cross multiply
   149,967,002.88x = 206,970,050.88 × 86,389,535.52
4. Step 4: Simplify right side
   149,967,002.88x = 17,880,046,562,073,966
5. Step 5: Solve for x
   x = 17,880,046,562,073,966/149,967,002.88
6. Step 6: Final answer
   x = 119,226,537.96