Finding the Fourth Proportional to 65,588.97, 97,871.89 and 58,520.40

Step by Step Solution

1. Step 1: Write the proportion equation
   65,588.97 : 97,871.89 = 58,520.40 : x
2. Step 2: Convert to fraction form
   65,588.97/97,871.89 = 58,520.40/x
3. Step 3: Cross multiply
   65,588.97x = 97,871.89 × 58,520.40
4. Step 4: Simplify right side
   65,588.97x = 5,727,502,151.56
5. Step 5: Solve for x
   x = 5,727,502,151.56/65,588.97
6. Step 6: Final answer
   x = 87,324.17