Finding the Fourth Proportional to 25,111.40, 34,638.90 and 16,156.04

Step by Step Solution

1. Step 1: Write the proportion equation
   25,111.40 : 34,638.90 = 16,156.04 : x
2. Step 2: Convert to fraction form
   25,111.40/34,638.90 = 16,156.04/x
3. Step 3: Cross multiply
   25,111.40x = 34,638.90 × 16,156.04
4. Step 4: Simplify right side
   25,111.40x = 559,627,453.96
5. Step 5: Solve for x
   x = 559,627,453.96/25,111.40
6. Step 6: Final answer
   x = 22,285.79