Finding the Fourth Proportional to 19,870.72, 29,797.92 and 7,391.52

Step by Step Solution

1. Step 1: Write the proportion equation
   19,870.72 : 29,797.92 = 7,391.52 : x
2. Step 2: Convert to fraction form
   19,870.72/29,797.92 = 7,391.52/x
3. Step 3: Cross multiply
   19,870.72x = 29,797.92 × 7,391.52
4. Step 4: Simplify right side
   19,870.72x = 220,251,921.64
5. Step 5: Solve for x
   x = 220,251,921.64/19,870.72
6. Step 6: Final answer
   x = 11,084.24