Finding the Fourth Proportional to 22,978.18, 31,701.58 and 15,024.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,978.18 : 31,701.58 = 15,024.99 : x
2. Step 2: Convert to fraction form
   22,978.18/31,701.58 = 15,024.99/x
3. Step 3: Cross multiply
   22,978.18x = 31,701.58 × 15,024.99
4. Step 4: Simplify right side
   22,978.18x = 476,316,003.80
5. Step 5: Solve for x
   x = 476,316,003.80/22,978.18
6. Step 6: Final answer
   x = 20,729.06