Finding the Fourth Proportional to 2,499.12, 3,750.35 and 1,038.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.12 : 3,750.35 = 1,038.27 : x
2. Step 2: Convert to fraction form
   2,499.12/3,750.35 = 1,038.27/x
3. Step 3: Cross multiply
   2,499.12x = 3,750.35 × 1,038.27
4. Step 4: Simplify right side
   2,499.12x = 3,893,875.89
5. Step 5: Solve for x
   x = 3,893,875.89/2,499.12
6. Step 6: Final answer
   x = 1,558.10