Finding the Fourth Proportional to 10,451.52, 14,427.59 and 6,419.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,451.52 : 14,427.59 = 6,419.00 : x
2. Step 2: Convert to fraction form
   10,451.52/14,427.59 = 6,419.00/x
3. Step 3: Cross multiply
   10,451.52x = 14,427.59 × 6,419.00
4. Step 4: Simplify right side
   10,451.52x = 92,610,639.59
5. Step 5: Solve for x
   x = 92,610,639.59/10,451.52
6. Step 6: Final answer
   x = 8,860.98