Finding the Fourth Proportional to 52,316.62, 72,197.39 and 28,443.31

Step by Step Solution

1. Step 1: Write the proportion equation
   52,316.62 : 72,197.39 = 28,443.31 : x
2. Step 2: Convert to fraction form
   52,316.62/72,197.39 = 28,443.31/x
3. Step 3: Cross multiply
   52,316.62x = 72,197.39 × 28,443.31
4. Step 4: Simplify right side
   52,316.62x = 2,053,532,744.96
5. Step 5: Solve for x
   x = 2,053,532,744.96/52,316.62
6. Step 6: Final answer
   x = 39,252.01