Finding the Fourth Proportional to 14,111.01, 19,471.59 and 8,140.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.01 : 19,471.59 = 8,140.50 : x
2. Step 2: Convert to fraction form
   14,111.01/19,471.59 = 8,140.50/x
3. Step 3: Cross multiply
   14,111.01x = 19,471.59 × 8,140.50
4. Step 4: Simplify right side
   14,111.01x = 158,508,478.40
5. Step 5: Solve for x
   x = 158,508,478.40/14,111.01
6. Step 6: Final answer
   x = 11,232.96