Finding the Fourth Proportional to 1,697.89, 2,340.72 and 1,166.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,697.89 : 2,340.72 = 1,166.63 : x
2. Step 2: Convert to fraction form
   1,697.89/2,340.72 = 1,166.63/x
3. Step 3: Cross multiply
   1,697.89x = 2,340.72 × 1,166.63
4. Step 4: Simplify right side
   1,697.89x = 2,730,754.17
5. Step 5: Solve for x
   x = 2,730,754.17/1,697.89
6. Step 6: Final answer
   x = 1,608.32