Finding the Fourth Proportional to 52,654.08, 72,662.78 and 28,781.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,654.08 : 72,662.78 = 28,781.04 : x
2. Step 2: Convert to fraction form
   52,654.08/72,662.78 = 28,781.04/x
3. Step 3: Cross multiply
   52,654.08x = 72,662.78 × 28,781.04
4. Step 4: Simplify right side
   52,654.08x = 2,091,310,377.69
5. Step 5: Solve for x
   x = 2,091,310,377.69/52,654.08
6. Step 6: Final answer
   x = 39,717.92