Finding the Fourth Proportional to 2,499.87, 3,750.68 and 1,113.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.87 : 3,750.68 = 1,113.33 : x
2. Step 2: Convert to fraction form
   2,499.87/3,750.68 = 1,113.33/x
3. Step 3: Cross multiply
   2,499.87x = 3,750.68 × 1,113.33
4. Step 4: Simplify right side
   2,499.87x = 4,175,744.56
5. Step 5: Solve for x
   x = 4,175,744.56/2,499.87
6. Step 6: Final answer
   x = 1,670.38