Finding the Fourth Proportional to 52,630.46, 72,630.29 and 28,757.19

Step by Step Solution

1. Step 1: Write the proportion equation
   52,630.46 : 72,630.29 = 28,757.19 : x
2. Step 2: Convert to fraction form
   52,630.46/72,630.29 = 28,757.19/x
3. Step 3: Cross multiply
   52,630.46x = 72,630.29 × 28,757.19
4. Step 4: Simplify right side
   52,630.46x = 2,088,642,905.50
5. Step 5: Solve for x
   x = 2,088,642,905.50/52,630.46
6. Step 6: Final answer
   x = 39,685.06