Finding the Fourth Proportional to 52,404.81, 72,318.72 and 28,531.58

Step by Step Solution

1. Step 1: Write the proportion equation
   52,404.81 : 72,318.72 = 28,531.58 : x
2. Step 2: Convert to fraction form
   52,404.81/72,318.72 = 28,531.58/x
3. Step 3: Cross multiply
   52,404.81x = 72,318.72 × 28,531.58
4. Step 4: Simplify right side
   52,404.81x = 2,063,367,090.58
5. Step 5: Solve for x
   x = 2,063,367,090.58/52,404.81
6. Step 6: Final answer
   x = 39,373.62