Finding the Fourth Proportional to 52,624.40, 72,622.71 and 28,752.55

Step by Step Solution

1. Step 1: Write the proportion equation
   52,624.40 : 72,622.71 = 28,752.55 : x
2. Step 2: Convert to fraction form
   52,624.40/72,622.71 = 28,752.55/x
3. Step 3: Cross multiply
   52,624.40x = 72,622.71 × 28,752.55
4. Step 4: Simplify right side
   52,624.40x = 2,088,087,918.85
5. Step 5: Solve for x
   x = 2,088,087,918.85/52,624.40
6. Step 6: Final answer
   x = 39,679.09