Finding the Fourth Proportional to 52,535.13, 72,498.72 and 28,662.30

Step by Step Solution

1. Step 1: Write the proportion equation
   52,535.13 : 72,498.72 = 28,662.30 : x
2. Step 2: Convert to fraction form
   52,535.13/72,498.72 = 28,662.30/x
3. Step 3: Cross multiply
   52,535.13x = 72,498.72 × 28,662.30
4. Step 4: Simplify right side
   52,535.13x = 2,077,980,062.26
5. Step 5: Solve for x
   x = 2,077,980,062.26/52,535.13
6. Step 6: Final answer
   x = 39,554.11