Finding the Fourth Proportional to 52,501.30, 72,451.84 and 28,628.02

Step by Step Solution

1. Step 1: Write the proportion equation
   52,501.30 : 72,451.84 = 28,628.02 : x
2. Step 2: Convert to fraction form
   52,501.30/72,451.84 = 28,628.02/x
3. Step 3: Cross multiply
   52,501.30x = 72,451.84 × 28,628.02
4. Step 4: Simplify right side
   52,501.30x = 2,074,152,724.56
5. Step 5: Solve for x
   x = 2,074,152,724.56/52,501.30
6. Step 6: Final answer
   x = 39,506.69