Finding the Fourth Proportional to 52,621.29, 72,613.96 and 28,747.96

Step by Step Solution

1. Step 1: Write the proportion equation
   52,621.29 : 72,613.96 = 28,747.96 : x
2. Step 2: Convert to fraction form
   52,621.29/72,613.96 = 28,747.96/x
3. Step 3: Cross multiply
   52,621.29x = 72,613.96 × 28,747.96
4. Step 4: Simplify right side
   52,621.29x = 2,087,502,964.12
5. Step 5: Solve for x
   x = 2,087,502,964.12/52,621.29
6. Step 6: Final answer
   x = 39,670.31