Finding the Fourth Proportional to 101,559.55, 140,153.61 and 58,515.25

Step by Step Solution

1. Step 1: Write the proportion equation
   101,559.55 : 140,153.61 = 58,515.25 : x
2. Step 2: Convert to fraction form
   101,559.55/140,153.61 = 58,515.25/x
3. Step 3: Cross multiply
   101,559.55x = 140,153.61 × 58,515.25
4. Step 4: Simplify right side
   101,559.55x = 8,201,123,527.55
5. Step 5: Solve for x
   x = 8,201,123,527.55/101,559.55
6. Step 6: Final answer
   x = 80,751.87