Finding the Fourth Proportional to 1,689.93, 2,333.61 and 1,597.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689.93 : 2,333.61 = 1,597.86 : x
2. Step 2: Convert to fraction form
   1,689.93/2,333.61 = 1,597.86/x
3. Step 3: Cross multiply
   1,689.93x = 2,333.61 × 1,597.86
4. Step 4: Simplify right side
   1,689.93x = 3,728,782.07
5. Step 5: Solve for x
   x = 3,728,782.07/1,689.93
6. Step 6: Final answer
   x = 2,206.47