Finding the Fourth Proportional to 3,103.59, 4,655.90 and 1,023.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,103.59 : 4,655.90 = 1,023.72 : x
2. Step 2: Convert to fraction form
   3,103.59/4,655.90 = 1,023.72/x
3. Step 3: Cross multiply
   3,103.59x = 4,655.90 × 1,023.72
4. Step 4: Simplify right side
   3,103.59x = 4,766,343.48
5. Step 5: Solve for x
   x = 4,766,343.48/3,103.59
6. Step 6: Final answer
   x = 1,535.75