Finding the Fourth Proportional to 89,490.78, 134,233.07 and 22,931.46

Step by Step Solution

1. Step 1: Write the proportion equation
   89,490.78 : 134,233.07 = 22,931.46 : x
2. Step 2: Convert to fraction form
   89,490.78/134,233.07 = 22,931.46/x
3. Step 3: Cross multiply
   89,490.78x = 134,233.07 × 22,931.46
4. Step 4: Simplify right side
   89,490.78x = 3,078,160,160.72
5. Step 5: Solve for x
   x = 3,078,160,160.72/89,490.78
6. Step 6: Final answer
   x = 34,396.39