Finding the Fourth Proportional to 13,442.56, 18,550.27 and 7,474.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,442.56 : 18,550.27 = 7,474.10 : x
2. Step 2: Convert to fraction form
   13,442.56/18,550.27 = 7,474.10/x
3. Step 3: Cross multiply
   13,442.56x = 18,550.27 × 7,474.10
4. Step 4: Simplify right side
   13,442.56x = 138,646,499.73
5. Step 5: Solve for x
   x = 138,646,499.73/13,442.56
6. Step 6: Final answer
   x = 10,314.00