Finding the Fourth Proportional to 2,998.24, 4,499.55 and 1,125.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,998.24 : 4,499.55 = 1,125.86 : x
2. Step 2: Convert to fraction form
   2,998.24/4,499.55 = 1,125.86/x
3. Step 3: Cross multiply
   2,998.24x = 4,499.55 × 1,125.86
4. Step 4: Simplify right side
   2,998.24x = 5,065,840.87
5. Step 5: Solve for x
   x = 5,065,840.87/2,998.24
6. Step 6: Final answer
   x = 1,689.61