Finding the Fourth Proportional to 17,155.05, 25,737.80 and 8,156.00

Step by Step Solution

1. Step 1: Write the proportion equation
   17,155.05 : 25,737.80 = 8,156.00 : x
2. Step 2: Convert to fraction form
   17,155.05/25,737.80 = 8,156.00/x
3. Step 3: Cross multiply
   17,155.05x = 25,737.80 × 8,156.00
4. Step 4: Simplify right side
   17,155.05x = 209,917,327.33
5. Step 5: Solve for x
   x = 209,917,327.33/17,155.05
6. Step 6: Final answer
   x = 12,236.47