Finding the Fourth Proportional to 12,402.75, 17,116.89 and 6,814.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402.75 : 17,116.89 = 6,814.83 : x
2. Step 2: Convert to fraction form
   12,402.75/17,116.89 = 6,814.83/x
3. Step 3: Cross multiply
   12,402.75x = 17,116.89 × 6,814.83
4. Step 4: Simplify right side
   12,402.75x = 116,648,695.48
5. Step 5: Solve for x
   x = 116,648,695.48/12,402.75
6. Step 6: Final answer
   x = 9,405.07