Finding the Fourth Proportional to 52,499.61, 72,447.89 and 28,626.75

Step by Step Solution

1. Step 1: Write the proportion equation
   52,499.61 : 72,447.89 = 28,626.75 : x
2. Step 2: Convert to fraction form
   52,499.61/72,447.89 = 28,626.75/x
3. Step 3: Cross multiply
   52,499.61x = 72,447.89 × 28,626.75
4. Step 4: Simplify right side
   52,499.61x = 2,073,947,491.92
5. Step 5: Solve for x
   x = 2,073,947,491.92/52,499.61
6. Step 6: Final answer
   x = 39,504.06