Finding the Fourth Proportional to 101,559.82, 140,142.77 and 60,715.87

Step by Step Solution

1. Step 1: Write the proportion equation
   101,559.82 : 140,142.77 = 60,715.87 : x
2. Step 2: Convert to fraction form
   101,559.82/140,142.77 = 60,715.87/x
3. Step 3: Cross multiply
   101,559.82x = 140,142.77 × 60,715.87
4. Step 4: Simplify right side
   101,559.82x = 8,508,890,304.04
5. Step 5: Solve for x
   x = 8,508,890,304.04/101,559.82
6. Step 6: Final answer
   x = 83,782.06