Finding the Fourth Proportional to 52,702.65, 72,729.06 and 28,829.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,702.65 : 72,729.06 = 28,829.04 : x
2. Step 2: Convert to fraction form
   52,702.65/72,729.06 = 28,829.04/x
3. Step 3: Cross multiply
   52,702.65x = 72,729.06 × 28,829.04
4. Step 4: Simplify right side
   52,702.65x = 2,096,709,046.86
5. Step 5: Solve for x
   x = 2,096,709,046.86/52,702.65
6. Step 6: Final answer
   x = 39,783.75