Finding the Fourth Proportional to 10,875.51, 16,315.69 and 3,480.41

Step by Step Solution

1. Step 1: Write the proportion equation
   10,875.51 : 16,315.69 = 3,480.41 : x
2. Step 2: Convert to fraction form
   10,875.51/16,315.69 = 3,480.41/x
3. Step 3: Cross multiply
   10,875.51x = 16,315.69 × 3,480.41
4. Step 4: Simplify right side
   10,875.51x = 56,785,290.63
5. Step 5: Solve for x
   x = 56,785,290.63/10,875.51
6. Step 6: Final answer
   x = 5,221.39