Finding the Fourth Proportional to 22,473.30, 31,024.41 and 13,978.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,473.30 : 31,024.41 = 13,978.17 : x
2. Step 2: Convert to fraction form
   22,473.30/31,024.41 = 13,978.17/x
3. Step 3: Cross multiply
   22,473.30x = 31,024.41 × 13,978.17
4. Step 4: Simplify right side
   22,473.30x = 433,664,477.13
5. Step 5: Solve for x
   x = 433,664,477.13/22,473.30
6. Step 6: Final answer
   x = 19,296.88