Finding the Fourth Proportional to 1,601.93, 2,391.87 and 1,426.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.93 : 2,391.87 = 1,426.56 : x
2. Step 2: Convert to fraction form
   1,601.93/2,391.87 = 1,426.56/x
3. Step 3: Cross multiply
   1,601.93x = 2,391.87 × 1,426.56
4. Step 4: Simplify right side
   1,601.93x = 3,412,146.07
5. Step 5: Solve for x
   x = 3,412,146.07/1,601.93
6. Step 6: Final answer
   x = 2,130.03