Finding the Fourth Proportional to 52,343.53, 72,233.39 and 28,470.21

Step by Step Solution

1. Step 1: Write the proportion equation
   52,343.53 : 72,233.39 = 28,470.21 : x
2. Step 2: Convert to fraction form
   52,343.53/72,233.39 = 28,470.21/x
3. Step 3: Cross multiply
   52,343.53x = 72,233.39 × 28,470.21
4. Step 4: Simplify right side
   52,343.53x = 2,056,499,782.31
5. Step 5: Solve for x
   x = 2,056,499,782.31/52,343.53
6. Step 6: Final answer
   x = 39,288.52