Finding the Fourth Proportional to 1,931.73, 2,664.88 and 1,134.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.73 : 2,664.88 = 1,134.79 : x
2. Step 2: Convert to fraction form
   1,931.73/2,664.88 = 1,134.79/x
3. Step 3: Cross multiply
   1,931.73x = 2,664.88 × 1,134.79
4. Step 4: Simplify right side
   1,931.73x = 3,024,065.85
5. Step 5: Solve for x
   x = 3,024,065.85/1,931.73
6. Step 6: Final answer
   x = 1,565.47