Finding the Fourth Proportional to 83,863.56, 125,795.32 and 57,488.34

Step by Step Solution

1. Step 1: Write the proportion equation
   83,863.56 : 125,795.32 = 57,488.34 : x
2. Step 2: Convert to fraction form
   83,863.56/125,795.32 = 57,488.34/x
3. Step 3: Cross multiply
   83,863.56x = 125,795.32 × 57,488.34
4. Step 4: Simplify right side
   83,863.56x = 7,231,763,839.13
5. Step 5: Solve for x
   x = 7,231,763,839.13/83,863.56
6. Step 6: Final answer
   x = 86,232.49