Finding the Fourth Proportional to 91,132.89, 125,825.57 and 58,945.51

Step by Step Solution

1. Step 1: Write the proportion equation
   91,132.89 : 125,825.57 = 58,945.51 : x
2. Step 2: Convert to fraction form
   91,132.89/125,825.57 = 58,945.51/x
3. Step 3: Cross multiply
   91,132.89x = 125,825.57 × 58,945.51
4. Step 4: Simplify right side
   91,132.89x = 7,416,852,394.69
5. Step 5: Solve for x
   x = 7,416,852,394.69/91,132.89
6. Step 6: Final answer
   x = 81,385.02