Finding the Fourth Proportional to 87,826.38, 121,200.18 and 47,540.10

Step by Step Solution

1. Step 1: Write the proportion equation
   87,826.38 : 121,200.18 = 47,540.10 : x
2. Step 2: Convert to fraction form
   87,826.38/121,200.18 = 47,540.10/x
3. Step 3: Cross multiply
   87,826.38x = 121,200.18 × 47,540.10
4. Step 4: Simplify right side
   87,826.38x = 5,761,868,677.22
5. Step 5: Solve for x
   x = 5,761,868,677.22/87,826.38
6. Step 6: Final answer
   x = 65,605.22