Finding the Fourth Proportional to 88,105.52, 121,585.72 and 47,819.28

Step by Step Solution

1. Step 1: Write the proportion equation
   88,105.52 : 121,585.72 = 47,819.28 : x
2. Step 2: Convert to fraction form
   88,105.52/121,585.72 = 47,819.28/x
3. Step 3: Cross multiply
   88,105.52x = 121,585.72 × 47,819.28
4. Step 4: Simplify right side
   88,105.52x = 5,814,141,588.68
5. Step 5: Solve for x
   x = 5,814,141,588.68/88,105.52
6. Step 6: Final answer
   x = 65,990.66