Finding the Fourth Proportional to 1,162.62, 1,741.32 and 667.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.62 : 1,741.32 = 667.89 : x
2. Step 2: Convert to fraction form
   1,162.62/1,741.32 = 667.89/x
3. Step 3: Cross multiply
   1,162.62x = 1,741.32 × 667.89
4. Step 4: Simplify right side
   1,162.62x = 1,163,010.21
5. Step 5: Solve for x
   x = 1,163,010.21/1,162.62
6. Step 6: Final answer
   x = 1,000.34