Finding the Fourth Proportional to 83,973.89, 115,892.15 and 62,716.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,973.89 : 115,892.15 = 62,716.25 : x
2. Step 2: Convert to fraction form
   83,973.89/115,892.15 = 62,716.25/x
3. Step 3: Cross multiply
   83,973.89x = 115,892.15 × 62,716.25
4. Step 4: Simplify right side
   83,973.89x = 7,268,320,159.40
5. Step 5: Solve for x
   x = 7,268,320,159.40/83,973.89
6. Step 6: Final answer
   x = 86,554.53