Finding the Fourth Proportional to 2,154.71, 3,229.89 and 1,461.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154.71 : 3,229.89 = 1,461.45 : x
2. Step 2: Convert to fraction form
   2,154.71/3,229.89 = 1,461.45/x
3. Step 3: Cross multiply
   2,154.71x = 3,229.89 × 1,461.45
4. Step 4: Simplify right side
   2,154.71x = 4,720,322.74
5. Step 5: Solve for x
   x = 4,720,322.74/2,154.71
6. Step 6: Final answer
   x = 2,190.70