Finding the Fourth Proportional to 1,689.59, 2,331.51 and 943.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689.59 : 2,331.51 = 943.52 : x
2. Step 2: Convert to fraction form
   1,689.59/2,331.51 = 943.52/x
3. Step 3: Cross multiply
   1,689.59x = 2,331.51 × 943.52
4. Step 4: Simplify right side
   1,689.59x = 2,199,814.66
5. Step 5: Solve for x
   x = 2,199,814.66/1,689.59
6. Step 6: Final answer
   x = 1,301.99