Finding the Fourth Proportional to 52,703.52, 72,730.83 and 28,830.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,703.52 : 72,730.83 = 28,830.18 : x
2. Step 2: Convert to fraction form
   52,703.52/72,730.83 = 28,830.18/x
3. Step 3: Cross multiply
   52,703.52x = 72,730.83 × 28,830.18
4. Step 4: Simplify right side
   52,703.52x = 2,096,843,139.13
5. Step 5: Solve for x
   x = 2,096,843,139.13/52,703.52
6. Step 6: Final answer
   x = 39,785.64