Finding the Fourth Proportional to 1,585.73, 2,375.86 and 1,423.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,585.73 : 2,375.86 = 1,423.07 : x
2. Step 2: Convert to fraction form
   1,585.73/2,375.86 = 1,423.07/x
3. Step 3: Cross multiply
   1,585.73x = 2,375.86 × 1,423.07
4. Step 4: Simplify right side
   1,585.73x = 3,381,007.23
5. Step 5: Solve for x
   x = 3,381,007.23/1,585.73
6. Step 6: Final answer
   x = 2,132.15