Finding the Fourth Proportional to 115,499, 159,388.62 and 62,507

Step by Step Solution

1. Step 1: Write the proportion equation
   115,499 : 159,388.62 = 62,507 : x
2. Step 2: Convert to fraction form
   115,499/159,388.62 = 62,507/x
3. Step 3: Cross multiply
   115,499x = 159,388.62 × 62,507
4. Step 4: Simplify right side
   115,499x = 9,962,904,470.34
5. Step 5: Solve for x
   x = 9,962,904,470.34/115,499
6. Step 6: Final answer
   x = 86,259.66