Finding the Fourth Proportional to 1,651.83, 2,279.54 and 905.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,651.83 : 2,279.54 = 905.82 : x
2. Step 2: Convert to fraction form
   1,651.83/2,279.54 = 905.82/x
3. Step 3: Cross multiply
   1,651.83x = 2,279.54 × 905.82
4. Step 4: Simplify right side
   1,651.83x = 2,064,846.64
5. Step 5: Solve for x
   x = 2,064,846.64/1,651.83
6. Step 6: Final answer
   x = 1,250.04