Finding the Fourth Proportional to 1,931.94, 2,666.06 and 1,047.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.94 : 2,666.06 = 1,047.74 : x
2. Step 2: Convert to fraction form
   1,931.94/2,666.06 = 1,047.74/x
3. Step 3: Cross multiply
   1,931.94x = 2,666.06 × 1,047.74
4. Step 4: Simplify right side
   1,931.94x = 2,793,333.06
5. Step 5: Solve for x
   x = 2,793,333.06/1,931.94
6. Step 6: Final answer
   x = 1,445.87