Finding the Fourth Proportional to 14,399.40, 19,870.86 and 8,025.96

Step by Step Solution

1. Step 1: Write the proportion equation
   14,399.40 : 19,870.86 = 8,025.96 : x
2. Step 2: Convert to fraction form
   14,399.40/19,870.86 = 8,025.96/x
3. Step 3: Cross multiply
   14,399.40x = 19,870.86 × 8,025.96
4. Step 4: Simplify right side
   14,399.40x = 159,482,727.53
5. Step 5: Solve for x
   x = 159,482,727.53/14,399.40
6. Step 6: Final answer
   x = 11,075.65