Finding the Fourth Proportional to 52,499.49, 72,447.71 and 28,626.63

Step by Step Solution

1. Step 1: Write the proportion equation
   52,499.49 : 72,447.71 = 28,626.63 : x
2. Step 2: Convert to fraction form
   52,499.49/72,447.71 = 28,626.63/x
3. Step 3: Cross multiply
   52,499.49x = 72,447.71 × 28,626.63
4. Step 4: Simplify right side
   52,499.49x = 2,073,933,788.52
5. Step 5: Solve for x
   x = 2,073,933,788.52/52,499.49
6. Step 6: Final answer
   x = 39,503.88