Finding the Fourth Proportional to 2,116.67, 2,921.18 and 1,232.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.67 : 2,921.18 = 1,232.53 : x
2. Step 2: Convert to fraction form
   2,116.67/2,921.18 = 1,232.53/x
3. Step 3: Cross multiply
   2,116.67x = 2,921.18 × 1,232.53
4. Step 4: Simplify right side
   2,116.67x = 3,600,428.52
5. Step 5: Solve for x
   x = 3,600,428.52/2,116.67
6. Step 6: Final answer
   x = 1,700.99