Finding the Fourth Proportional to 10,636.18, 14,677.29 and 6,159.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,636.18 : 14,677.29 = 6,159.62 : x
2. Step 2: Convert to fraction form
   10,636.18/14,677.29 = 6,159.62/x
3. Step 3: Cross multiply
   10,636.18x = 14,677.29 × 6,159.62
4. Step 4: Simplify right side
   10,636.18x = 90,406,565.72
5. Step 5: Solve for x
   x = 90,406,565.72/10,636.18
6. Step 6: Final answer
   x = 8,499.91