Finding the Fourth Proportional to 2,116.43, 2,920.47 and 1,232.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.43 : 2,920.47 = 1,232.06 : x
2. Step 2: Convert to fraction form
   2,116.43/2,920.47 = 1,232.06/x
3. Step 3: Cross multiply
   2,116.43x = 2,920.47 × 1,232.06
4. Step 4: Simplify right side
   2,116.43x = 3,598,179.67
5. Step 5: Solve for x
   x = 3,598,179.67/2,116.43
6. Step 6: Final answer
   x = 1,700.12