Finding the Fourth Proportional to 1,234.72, 1,854.78 and 1,003.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234.72 : 1,854.78 = 1,003.96 : x
2. Step 2: Convert to fraction form
   1,234.72/1,854.78 = 1,003.96/x
3. Step 3: Cross multiply
   1,234.72x = 1,854.78 × 1,003.96
4. Step 4: Simplify right side
   1,234.72x = 1,862,124.93
5. Step 5: Solve for x
   x = 1,862,124.93/1,234.72
6. Step 6: Final answer
   x = 1,508.14