Finding the Fourth Proportional to 1,930.74, 2,664.27 and 1,144.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,930.74 : 2,664.27 = 1,144.86 : x
2. Step 2: Convert to fraction form
   1,930.74/2,664.27 = 1,144.86/x
3. Step 3: Cross multiply
   1,930.74x = 2,664.27 × 1,144.86
4. Step 4: Simplify right side
   1,930.74x = 3,050,216.15
5. Step 5: Solve for x
   x = 3,050,216.15/1,930.74
6. Step 6: Final answer
   x = 1,579.82