Finding the Fourth Proportional to 1,592.08, 2,387.72 and 667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,592.08 : 2,387.72 = 667.42 : x
2. Step 2: Convert to fraction form
   1,592.08/2,387.72 = 667.42/x
3. Step 3: Cross multiply
   1,592.08x = 2,387.72 × 667.42
4. Step 4: Simplify right side
   1,592.08x = 1,593,608.75
5. Step 5: Solve for x
   x = 1,593,608.75/1,592.08
6. Step 6: Final answer
   x = 1,000.96