Finding the Fourth Proportional to 9,374.42, 14,100.51 and 8,480.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,374.42 : 14,100.51 = 8,480.18 : x
2. Step 2: Convert to fraction form
   9,374.42/14,100.51 = 8,480.18/x
3. Step 3: Cross multiply
   9,374.42x = 14,100.51 × 8,480.18
4. Step 4: Simplify right side
   9,374.42x = 119,574,862.89
5. Step 5: Solve for x
   x = 119,574,862.89/9,374.42
6. Step 6: Final answer
   x = 12,755.44