Finding the Fourth Proportional to 45,663.24, 62,984.16 and 39,684.72

Step by Step Solution

1. Step 1: Write the proportion equation
   45,663.24 : 62,984.16 = 39,684.72 : x
2. Step 2: Convert to fraction form
   45,663.24/62,984.16 = 39,684.72/x
3. Step 3: Cross multiply
   45,663.24x = 62,984.16 × 39,684.72
4. Step 4: Simplify right side
   45,663.24x = 2,499,508,754.04
5. Step 5: Solve for x
   x = 2,499,508,754.04/45,663.24
6. Step 6: Final answer
   x = 54,737.88