Finding the Fourth Proportional to 2,499.42, 3,749.59 and 1,038.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.42 : 3,749.59 = 1,038.69 : x
2. Step 2: Convert to fraction form
   2,499.42/3,749.59 = 1,038.69/x
3. Step 3: Cross multiply
   2,499.42x = 3,749.59 × 1,038.69
4. Step 4: Simplify right side
   2,499.42x = 3,894,661.64
5. Step 5: Solve for x
   x = 3,894,661.64/2,499.42
6. Step 6: Final answer
   x = 1,558.23