Finding the Fourth Proportional to 2,607.32, 3,908.60 and 1,125.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,607.32 : 3,908.60 = 1,125.62 : x
2. Step 2: Convert to fraction form
   2,607.32/3,908.60 = 1,125.62/x
3. Step 3: Cross multiply
   2,607.32x = 3,908.60 × 1,125.62
4. Step 4: Simplify right side
   2,607.32x = 4,399,601.12
5. Step 5: Solve for x
   x = 4,399,601.12/2,607.32
6. Step 6: Final answer
   x = 1,687.40