Finding the Fourth Proportional to 2,156.13, 2,973.10 and 1,456.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156.13 : 2,973.10 = 1,456.29 : x
2. Step 2: Convert to fraction form
   2,156.13/2,973.10 = 1,456.29/x
3. Step 3: Cross multiply
   2,156.13x = 2,973.10 × 1,456.29
4. Step 4: Simplify right side
   2,156.13x = 4,329,695.80
5. Step 5: Solve for x
   x = 4,329,695.80/2,156.13
6. Step 6: Final answer
   x = 2,008.09