Finding the Fourth Proportional to 87,758.37, 121,106.39 and 47,472.17

Step by Step Solution

1. Step 1: Write the proportion equation
   87,758.37 : 121,106.39 = 47,472.17 : x
2. Step 2: Convert to fraction form
   87,758.37/121,106.39 = 47,472.17/x
3. Step 3: Cross multiply
   87,758.37x = 121,106.39 × 47,472.17
4. Step 4: Simplify right side
   87,758.37x = 5,749,182,291.27
5. Step 5: Solve for x
   x = 5,749,182,291.27/87,758.37
6. Step 6: Final answer
   x = 65,511.50