Finding the Fourth Proportional to 59,091.87, 81,587.88 and 47,811.42

Step by Step Solution

1. Step 1: Write the proportion equation
   59,091.87 : 81,587.88 = 47,811.42 : x
2. Step 2: Convert to fraction form
   59,091.87/81,587.88 = 47,811.42/x
3. Step 3: Cross multiply
   59,091.87x = 81,587.88 × 47,811.42
4. Step 4: Simplify right side
   59,091.87x = 3,900,832,397.59
5. Step 5: Solve for x
   x = 3,900,832,397.59/59,091.87
6. Step 6: Final answer
   x = 66,013.01