Finding the Fourth Proportional to 1,167.72, 1,752.84 and 706.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167.72 : 1,752.84 = 706.62 : x
2. Step 2: Convert to fraction form
   1,167.72/1,752.84 = 706.62/x
3. Step 3: Cross multiply
   1,167.72x = 1,752.84 × 706.62
4. Step 4: Simplify right side
   1,167.72x = 1,238,591.80
5. Step 5: Solve for x
   x = 1,238,591.80/1,167.72
6. Step 6: Final answer
   x = 1,060.69