Finding the Fourth Proportional to 1,931.46, 2,665.38 and 1,047.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.46 : 2,665.38 = 1,047.25 : x
2. Step 2: Convert to fraction form
   1,931.46/2,665.38 = 1,047.25/x
3. Step 3: Cross multiply
   1,931.46x = 2,665.38 × 1,047.25
4. Step 4: Simplify right side
   1,931.46x = 2,791,326.46
5. Step 5: Solve for x
   x = 2,791,326.46/1,931.46
6. Step 6: Final answer
   x = 1,445.19