Finding the Fourth Proportional to 52,626.80, 72,629.91 and 28,757.01

Step by Step Solution

1. Step 1: Write the proportion equation
   52,626.80 : 72,629.91 = 28,757.01 : x
2. Step 2: Convert to fraction form
   52,626.80/72,629.91 = 28,757.01/x
3. Step 3: Cross multiply
   52,626.80x = 72,629.91 × 28,757.01
4. Step 4: Simplify right side
   52,626.80x = 2,088,619,048.17
5. Step 5: Solve for x
   x = 2,088,619,048.17/52,626.80
6. Step 6: Final answer
   x = 39,687.37