Finding the Fourth Proportional to 20,747,944.52, 31,123,411.47 and 7,968,449.24

Step by Step Solution

1. Step 1: Write the proportion equation
   20,747,944.52 : 31,123,411.47 = 7,968,449.24 : x
2. Step 2: Convert to fraction form
   20,747,944.52/31,123,411.47 = 7,968,449.24/x
3. Step 3: Cross multiply
   20,747,944.52x = 31,123,411.47 × 7,968,449.24
4. Step 4: Simplify right side
   20,747,944.52x = 248,005,324,318,711.72
5. Step 5: Solve for x
   x = 248,005,324,318,711.72/20,747,944.52
6. Step 6: Final answer
   x = 11,953,247.91