Finding the Fourth Proportional to 52,554.15, 72,525.78 and 28,681.83

Step by Step Solution

1. Step 1: Write the proportion equation
   52,554.15 : 72,525.78 = 28,681.83 : x
2. Step 2: Convert to fraction form
   52,554.15/72,525.78 = 28,681.83/x
3. Step 3: Cross multiply
   52,554.15x = 72,525.78 × 28,681.83
4. Step 4: Simplify right side
   52,554.15x = 2,080,172,092.58
5. Step 5: Solve for x
   x = 2,080,172,092.58/52,554.15
6. Step 6: Final answer
   x = 39,581.50