Finding the Fourth Proportional to 1,931.08, 2,664.76 and 1,144.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.08 : 2,664.76 = 1,144.96 : x
2. Step 2: Convert to fraction form
   1,931.08/2,664.76 = 1,144.96/x
3. Step 3: Cross multiply
   1,931.08x = 2,664.76 × 1,144.96
4. Step 4: Simplify right side
   1,931.08x = 3,051,043.61
5. Step 5: Solve for x
   x = 3,051,043.61/1,931.08
6. Step 6: Final answer
   x = 1,579.97