Finding the Fourth Proportional to 52,440.96, 72,366.70 and 28,567.02

Step by Step Solution

1. Step 1: Write the proportion equation
   52,440.96 : 72,366.70 = 28,567.02 : x
2. Step 2: Convert to fraction form
   52,440.96/72,366.70 = 28,567.02/x
3. Step 3: Cross multiply
   52,440.96x = 72,366.70 × 28,567.02
4. Step 4: Simplify right side
   52,440.96x = 2,067,300,966.23
5. Step 5: Solve for x
   x = 2,067,300,966.23/52,440.96
6. Step 6: Final answer
   x = 39,421.49