Finding the Fourth Proportional to 14,172.00, 19,557.86 and 8,123.36

Step by Step Solution

1. Step 1: Write the proportion equation
   14,172.00 : 19,557.86 = 8,123.36 : x
2. Step 2: Convert to fraction form
   14,172.00/19,557.86 = 8,123.36/x
3. Step 3: Cross multiply
   14,172.00x = 19,557.86 × 8,123.36
4. Step 4: Simplify right side
   14,172.00x = 158,875,399.20
5. Step 5: Solve for x
   x = 158,875,399.20/14,172.00
6. Step 6: Final answer
   x = 11,210.52