Finding the Fourth Proportional to 10,877.10, 16,317.69 and 3,479.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,877.10 : 16,317.69 = 3,479.57 : x
2. Step 2: Convert to fraction form
   10,877.10/16,317.69 = 3,479.57/x
3. Step 3: Cross multiply
   10,877.10x = 16,317.69 × 3,479.57
4. Step 4: Simplify right side
   10,877.10x = 56,778,618.83
5. Step 5: Solve for x
   x = 56,778,618.83/10,877.10
6. Step 6: Final answer
   x = 5,220.01