Finding the Fourth Proportional to 52,463.72, 72,397.83 and 28,589.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,463.72 : 72,397.83 = 28,589.88 : x
2. Step 2: Convert to fraction form
   52,463.72/72,397.83 = 28,589.88/x
3. Step 3: Cross multiply
   52,463.72x = 72,397.83 × 28,589.88
4. Step 4: Simplify right side
   52,463.72x = 2,069,845,381.48
5. Step 5: Solve for x
   x = 2,069,845,381.48/52,463.72
6. Step 6: Final answer
   x = 39,452.89