Finding the Fourth Proportional to 14,123.32, 19,490.41 and 8,155.51

Step by Step Solution

1. Step 1: Write the proportion equation
   14,123.32 : 19,490.41 = 8,155.51 : x
2. Step 2: Convert to fraction form
   14,123.32/19,490.41 = 8,155.51/x
3. Step 3: Cross multiply
   14,123.32x = 19,490.41 × 8,155.51
4. Step 4: Simplify right side
   14,123.32x = 158,954,223.46
5. Step 5: Solve for x
   x = 158,954,223.46/14,123.32
6. Step 6: Final answer
   x = 11,254.73