Finding the Fourth Proportional to 2,499.46, 3,749.58 and 1,113.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.46 : 3,749.58 = 1,113.28 : x
2. Step 2: Convert to fraction form
   2,499.46/3,749.58 = 1,113.28/x
3. Step 3: Cross multiply
   2,499.46x = 3,749.58 × 1,113.28
4. Step 4: Simplify right side
   2,499.46x = 4,174,332.42
5. Step 5: Solve for x
   x = 4,174,332.42/2,499.46
6. Step 6: Final answer
   x = 1,670.09