Finding the Fourth Proportional to 22,916.76, 31,626.42 and 12,848.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,916.76 : 31,626.42 = 12,848.46 : x
2. Step 2: Convert to fraction form
   22,916.76/31,626.42 = 12,848.46/x
3. Step 3: Cross multiply
   22,916.76x = 31,626.42 × 12,848.46
4. Step 4: Simplify right side
   22,916.76x = 406,350,792.31
5. Step 5: Solve for x
   x = 406,350,792.31/22,916.76
6. Step 6: Final answer
   x = 17,731.60