Finding the Fourth Proportional to 14,105.12, 19,465.20 and 7,818.08

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.12 : 19,465.20 = 7,818.08 : x
2. Step 2: Convert to fraction form
   14,105.12/19,465.20 = 7,818.08/x
3. Step 3: Cross multiply
   14,105.12x = 19,465.20 × 7,818.08
4. Step 4: Simplify right side
   14,105.12x = 152,180,490.82
5. Step 5: Solve for x
   x = 152,180,490.82/14,105.12
6. Step 6: Final answer
   x = 10,789.02