Finding the Fourth Proportional to 13,375.12, 20,064.56 and 5,582.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,375.12 : 20,064.56 = 5,582.16 : x
2. Step 2: Convert to fraction form
   13,375.12/20,064.56 = 5,582.16/x
3. Step 3: Cross multiply
   13,375.12x = 20,064.56 × 5,582.16
4. Step 4: Simplify right side
   13,375.12x = 112,003,584.25
5. Step 5: Solve for x
   x = 112,003,584.25/13,375.12
6. Step 6: Final answer
   x = 8,374.02