Finding the Fourth Proportional to 13,002.32, 17,947.86 and 7,697.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.32 : 17,947.86 = 7,697.18 : x
2. Step 2: Convert to fraction form
   13,002.32/17,947.86 = 7,697.18/x
3. Step 3: Cross multiply
   13,002.32x = 17,947.86 × 7,697.18
4. Step 4: Simplify right side
   13,002.32x = 138,147,909.03
5. Step 5: Solve for x
   x = 138,147,909.03/13,002.32
6. Step 6: Final answer
   x = 10,624.87