Finding the Fourth Proportional to 52,429.28, 72,350.01 and 28,554.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,429.28 : 72,350.01 = 28,554.53 : x
2. Step 2: Convert to fraction form
   52,429.28/72,350.01 = 28,554.53/x
3. Step 3: Cross multiply
   52,429.28x = 72,350.01 × 28,554.53
4. Step 4: Simplify right side
   52,429.28x = 2,065,920,169.30
5. Step 5: Solve for x
   x = 2,065,920,169.30/52,429.28
6. Step 6: Final answer
   x = 39,403.94