Finding the Fourth Proportional to 1,540.62, 2,303.64 and 1,038.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540.62 : 2,303.64 = 1,038.83 : x
2. Step 2: Convert to fraction form
   1,540.62/2,303.64 = 1,038.83/x
3. Step 3: Cross multiply
   1,540.62x = 2,303.64 × 1,038.83
4. Step 4: Simplify right side
   1,540.62x = 2,393,078.82
5. Step 5: Solve for x
   x = 2,393,078.82/1,540.62
6. Step 6: Final answer
   x = 1,553.32