Finding the Fourth Proportional to 2,499.57, 3,746.52 and 1,247.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.57 : 3,746.52 = 1,247.58 : x
2. Step 2: Convert to fraction form
   2,499.57/3,746.52 = 1,247.58/x
3. Step 3: Cross multiply
   2,499.57x = 3,746.52 × 1,247.58
4. Step 4: Simplify right side
   2,499.57x = 4,674,083.42
5. Step 5: Solve for x
   x = 4,674,083.42/2,499.57
6. Step 6: Final answer
   x = 1,869.96