Finding the Fourth Proportional to 10,875.16, 16,315.14 and 3,480.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.16 : 16,315.14 = 3,480.22 : x
2. Step 2: Convert to fraction form
   10,875.16/16,315.14 = 3,480.22/x
3. Step 3: Cross multiply
   10,875.16x = 16,315.14 × 3,480.22
4. Step 4: Simplify right side
   10,875.16x = 56,780,276.53
5. Step 5: Solve for x
   x = 56,780,276.53/10,875.16
6. Step 6: Final answer
   x = 5,221.10