Finding the Fourth Proportional to 1,455.72, 2,008.94 and 826.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455.72 : 2,008.94 = 826.27 : x
2. Step 2: Convert to fraction form
   1,455.72/2,008.94 = 826.27/x
3. Step 3: Cross multiply
   1,455.72x = 2,008.94 × 826.27
4. Step 4: Simplify right side
   1,455.72x = 1,659,925.23
5. Step 5: Solve for x
   x = 1,659,925.23/1,455.72
6. Step 6: Final answer
   x = 1,140.28