Finding the Fourth Proportional to 1,601.29, 2,400.89 and 1,106.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.29 : 2,400.89 = 1,106.31 : x
2. Step 2: Convert to fraction form
   1,601.29/2,400.89 = 1,106.31/x
3. Step 3: Cross multiply
   1,601.29x = 2,400.89 × 1,106.31
4. Step 4: Simplify right side
   1,601.29x = 2,656,134.67
5. Step 5: Solve for x
   x = 2,656,134.67/1,601.29
6. Step 6: Final answer
   x = 1,658.75