Finding the Fourth Proportional to 2,499.57, 3,750.84 and 1,113.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.57 : 3,750.84 = 1,113.03 : x
2. Step 2: Convert to fraction form
   2,499.57/3,750.84 = 1,113.03/x
3. Step 3: Cross multiply
   2,499.57x = 3,750.84 × 1,113.03
4. Step 4: Simplify right side
   2,499.57x = 4,174,797.45
5. Step 5: Solve for x
   x = 4,174,797.45/2,499.57
6. Step 6: Final answer
   x = 1,670.21