Finding the Fourth Proportional to 83,513.95, 125,063.24 and 58,436.51

Step by Step Solution

1. Step 1: Write the proportion equation
   83,513.95 : 125,063.24 = 58,436.51 : x
2. Step 2: Convert to fraction form
   83,513.95/125,063.24 = 58,436.51/x
3. Step 3: Cross multiply
   83,513.95x = 125,063.24 × 58,436.51
4. Step 4: Simplify right side
   83,513.95x = 7,308,258,686.10
5. Step 5: Solve for x
   x = 7,308,258,686.10/83,513.95
6. Step 6: Final answer
   x = 87,509.43