Finding the Fourth Proportional to 1,931.74, 2,665.77 and 1,047.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.74 : 2,665.77 = 1,047.52 : x
2. Step 2: Convert to fraction form
   1,931.74/2,665.77 = 1,047.52/x
3. Step 3: Cross multiply
   1,931.74x = 2,665.77 × 1,047.52
4. Step 4: Simplify right side
   1,931.74x = 2,792,447.39
5. Step 5: Solve for x
   x = 2,792,447.39/1,931.74
6. Step 6: Final answer
   x = 1,445.56