Finding the Fourth Proportional to 2,161.59, 2,983.71 and 1,499.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,161.59 : 2,983.71 = 1,499.32 : x
2. Step 2: Convert to fraction form
   2,161.59/2,983.71 = 1,499.32/x
3. Step 3: Cross multiply
   2,161.59x = 2,983.71 × 1,499.32
4. Step 4: Simplify right side
   2,161.59x = 4,473,536.08
5. Step 5: Solve for x
   x = 4,473,536.08/2,161.59
6. Step 6: Final answer
   x = 2,069.56