Finding the Fourth Proportional to 2,158.28, 2,975.68 and 1,654.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,158.28 : 2,975.68 = 1,654.71 : x
2. Step 2: Convert to fraction form
   2,158.28/2,975.68 = 1,654.71/x
3. Step 3: Cross multiply
   2,158.28x = 2,975.68 × 1,654.71
4. Step 4: Simplify right side
   2,158.28x = 4,923,883.32
5. Step 5: Solve for x
   x = 4,923,883.32/2,158.28
6. Step 6: Final answer
   x = 2,281.40