Finding the Fourth Proportional to 3,105.93, 4,657.91 and 1,025.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,105.93 : 4,657.91 = 1,025.55 : x
2. Step 2: Convert to fraction form
   3,105.93/4,657.91 = 1,025.55/x
3. Step 3: Cross multiply
   3,105.93x = 4,657.91 × 1,025.55
4. Step 4: Simplify right side
   3,105.93x = 4,776,919.60
5. Step 5: Solve for x
   x = 4,776,919.60/3,105.93
6. Step 6: Final answer
   x = 1,538.00