Finding the Fourth Proportional to 103,087.77, 142,258.71 and 60,649.03

Step by Step Solution

1. Step 1: Write the proportion equation
   103,087.77 : 142,258.71 = 60,649.03 : x
2. Step 2: Convert to fraction form
   103,087.77/142,258.71 = 60,649.03/x
3. Step 3: Cross multiply
   103,087.77x = 142,258.71 × 60,649.03
4. Step 4: Simplify right side
   103,087.77x = 8,627,852,770.55
5. Step 5: Solve for x
   x = 8,627,852,770.55/103,087.77
6. Step 6: Final answer
   x = 83,694.24