Finding the Fourth Proportional to 2,124.33, 2,931.61 and 1,180.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.33 : 2,931.61 = 1,180.20 : x
2. Step 2: Convert to fraction form
   2,124.33/2,931.61 = 1,180.20/x
3. Step 3: Cross multiply
   2,124.33x = 2,931.61 × 1,180.20
4. Step 4: Simplify right side
   2,124.33x = 3,459,896.38
5. Step 5: Solve for x
   x = 3,459,896.38/2,124.33
6. Step 6: Final answer
   x = 1,628.70