Finding the Fourth Proportional to 2,133.10, 2,931.76 and 1,882.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133.10 : 2,931.76 = 1,882.90 : x
2. Step 2: Convert to fraction form
   2,133.10/2,931.76 = 1,882.90/x
3. Step 3: Cross multiply
   2,133.10x = 2,931.76 × 1,882.90
4. Step 4: Simplify right side
   2,133.10x = 5,520,196.25
5. Step 5: Solve for x
   x = 5,520,196.25/2,133.10
6. Step 6: Final answer
   x = 2,587.88