Finding the Fourth Proportional to 52,550.00, 72,520.53 and 28,678.20

Step by Step Solution

1. Step 1: Write the proportion equation
   52,550.00 : 72,520.53 = 28,678.20 : x
2. Step 2: Convert to fraction form
   52,550.00/72,520.53 = 28,678.20/x
3. Step 3: Cross multiply
   52,550.00x = 72,520.53 × 28,678.20
4. Step 4: Simplify right side
   52,550.00x = 2,079,758,263.45
5. Step 5: Solve for x
   x = 2,079,758,263.45/52,550.00
6. Step 6: Final answer
   x = 39,576.75