Finding the Fourth Proportional to 2,156.76, 3,233.55 and 1,461.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.76 : 3,233.55 = 1,461.70 : x
2. Step 2: Convert to fraction form
   2,156.76/3,233.55 = 1,461.70/x
3. Step 3: Cross multiply
   2,156.76x = 3,233.55 × 1,461.70
4. Step 4: Simplify right side
   2,156.76x = 4,726,480.04
5. Step 5: Solve for x
   x = 4,726,480.04/2,156.76
6. Step 6: Final answer
   x = 2,191.47