Finding the Fourth Proportional to 22,921.50, 31,624.56 and 12,848.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,921.50 : 31,624.56 = 12,848.54 : x
2. Step 2: Convert to fraction form
   22,921.50/31,624.56 = 12,848.54/x
3. Step 3: Cross multiply
   22,921.50x = 31,624.56 × 12,848.54
4. Step 4: Simplify right side
   22,921.50x = 406,329,266.02
5. Step 5: Solve for x
   x = 406,329,266.02/22,921.50
6. Step 6: Final answer
   x = 17,726.99