Finding the Fourth Proportional to 72,733.04, 109,149.76 and 47,785.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,733.04 : 109,149.76 = 47,785.04 : x
2. Step 2: Convert to fraction form
   72,733.04/109,149.76 = 47,785.04/x
3. Step 3: Cross multiply
   72,733.04x = 109,149.76 × 47,785.04
4. Step 4: Simplify right side
   72,733.04x = 5,215,725,647.59
5. Step 5: Solve for x
   x = 5,215,725,647.59/72,733.04
6. Step 6: Final answer
   x = 71,710.54