Finding the Fourth Proportional to 16,100.43, 22,228.86 and 13,123.36

Step by Step Solution

1. Step 1: Write the proportion equation
   16,100.43 : 22,228.86 = 13,123.36 : x
2. Step 2: Convert to fraction form
   16,100.43/22,228.86 = 13,123.36/x
3. Step 3: Cross multiply
   16,100.43x = 22,228.86 × 13,123.36
4. Step 4: Simplify right side
   16,100.43x = 291,717,332.17
5. Step 5: Solve for x
   x = 291,717,332.17/16,100.43
6. Step 6: Final answer
   x = 18,118.61