Finding the Fourth Proportional to 22,947.84, 31,658.04 and 13,993.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,947.84 : 31,658.04 = 13,993.92 : x
2. Step 2: Convert to fraction form
   22,947.84/31,658.04 = 13,993.92/x
3. Step 3: Cross multiply
   22,947.84x = 31,658.04 × 13,993.92
4. Step 4: Simplify right side
   22,947.84x = 443,020,079.12
5. Step 5: Solve for x
   x = 443,020,079.12/22,947.84
6. Step 6: Final answer
   x = 19,305.52