Finding the Fourth Proportional to 94,087.32, 141,073.56 and 39,988.28

Step by Step Solution

1. Step 1: Write the proportion equation
   94,087.32 : 141,073.56 = 39,988.28 : x
2. Step 2: Convert to fraction form
   94,087.32/141,073.56 = 39,988.28/x
3. Step 3: Cross multiply
   94,087.32x = 141,073.56 × 39,988.28
4. Step 4: Simplify right side
   94,087.32x = 5,641,289,017.88
5. Step 5: Solve for x
   x = 5,641,289,017.88/94,087.32
6. Step 6: Final answer
   x = 59,958.02