Finding the Fourth Proportional to 10,948.86, 16,408.17 and 9,484.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,948.86 : 16,408.17 = 9,484.38 : x
2. Step 2: Convert to fraction form
   10,948.86/16,408.17 = 9,484.38/x
3. Step 3: Cross multiply
   10,948.86x = 16,408.17 × 9,484.38
4. Step 4: Simplify right side
   10,948.86x = 155,621,319.38
5. Step 5: Solve for x
   x = 155,621,319.38/10,948.86
6. Step 6: Final answer
   x = 14,213.47