Finding the Fourth Proportional to 1,666.17, 2,298.11 and 1,169.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,666.17 : 2,298.11 = 1,169.37 : x
2. Step 2: Convert to fraction form
   1,666.17/2,298.11 = 1,169.37/x
3. Step 3: Cross multiply
   1,666.17x = 2,298.11 × 1,169.37
4. Step 4: Simplify right side
   1,666.17x = 2,687,335.04
5. Step 5: Solve for x
   x = 2,687,335.04/1,666.17
6. Step 6: Final answer
   x = 1,612.88