Finding the Fourth Proportional to 10,238.98, 14,120.04 and 9,484.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,238.98 : 14,120.04 = 9,484.42 : x
2. Step 2: Convert to fraction form
   10,238.98/14,120.04 = 9,484.42/x
3. Step 3: Cross multiply
   10,238.98x = 14,120.04 × 9,484.42
4. Step 4: Simplify right side
   10,238.98x = 133,920,389.78
5. Step 5: Solve for x
   x = 133,920,389.78/10,238.98
6. Step 6: Final answer
   x = 13,079.47