Finding the Fourth Proportional to 10,948.62, 16,407.78 and 9,484.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,948.62 : 16,407.78 = 9,484.14 : x
2. Step 2: Convert to fraction form
   10,948.62/16,407.78 = 9,484.14/x
3. Step 3: Cross multiply
   10,948.62x = 16,407.78 × 9,484.14
4. Step 4: Simplify right side
   10,948.62x = 155,613,682.61
5. Step 5: Solve for x
   x = 155,613,682.61/10,948.62
6. Step 6: Final answer
   x = 14,213.09