Finding the Fourth Proportional to 87,734.91, 121,073.82 and 47,448.72

Step by Step Solution

1. Step 1: Write the proportion equation
   87,734.91 : 121,073.82 = 47,448.72 : x
2. Step 2: Convert to fraction form
   87,734.91/121,073.82 = 47,448.72/x
3. Step 3: Cross multiply
   87,734.91x = 121,073.82 × 47,448.72
4. Step 4: Simplify right side
   87,734.91x = 5,744,797,784.51
5. Step 5: Solve for x
   x = 5,744,797,784.51/87,734.91
6. Step 6: Final answer
   x = 65,479.04