Finding the Fourth Proportional to 52,227.52, 72,066.72 and 30,718.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,227.52 : 72,066.72 = 30,718.24 : x
2. Step 2: Convert to fraction form
   52,227.52/72,066.72 = 30,718.24/x
3. Step 3: Cross multiply
   52,227.52x = 72,066.72 × 30,718.24
4. Step 4: Simplify right side
   52,227.52x = 2,213,762,800.97
5. Step 5: Solve for x
   x = 2,213,762,800.97/52,227.52
6. Step 6: Final answer
   x = 42,386.90