Finding the Fourth Proportional to 1,166.72, 1,754.96 and 1,156.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166.72 : 1,754.96 = 1,156.96 : x
2. Step 2: Convert to fraction form
   1,166.72/1,754.96 = 1,156.96/x
3. Step 3: Cross multiply
   1,166.72x = 1,754.96 × 1,156.96
4. Step 4: Simplify right side
   1,166.72x = 2,030,418.52
5. Step 5: Solve for x
   x = 2,030,418.52/1,166.72
6. Step 6: Final answer
   x = 1,740.28