Finding the Fourth Proportional to 9,426.75, 14,142.15 and 3,186.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,426.75 : 14,142.15 = 3,186.93 : x
2. Step 2: Convert to fraction form
   9,426.75/14,142.15 = 3,186.93/x
3. Step 3: Cross multiply
   9,426.75x = 14,142.15 × 3,186.93
4. Step 4: Simplify right side
   9,426.75x = 45,070,042.10
5. Step 5: Solve for x
   x = 45,070,042.10/9,426.75
6. Step 6: Final answer
   x = 4,781.08