Finding the Fourth Proportional to 14,002.43, 19,322.60 and 8,697.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,002.43 : 19,322.60 = 8,697.15 : x
2. Step 2: Convert to fraction form
   14,002.43/19,322.60 = 8,697.15/x
3. Step 3: Cross multiply
   14,002.43x = 19,322.60 × 8,697.15
4. Step 4: Simplify right side
   14,002.43x = 168,051,507.10
5. Step 5: Solve for x
   x = 168,051,507.10/14,002.43
6. Step 6: Final answer
   x = 12,001.60