Finding the Fourth Proportional to 1,047.79, 1,569.25 and 1,011.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,047.79 : 1,569.25 = 1,011.34 : x
2. Step 2: Convert to fraction form
   1,047.79/1,569.25 = 1,011.34/x
3. Step 3: Cross multiply
   1,047.79x = 1,569.25 × 1,011.34
4. Step 4: Simplify right side
   1,047.79x = 1,587,045.30
5. Step 5: Solve for x
   x = 1,587,045.30/1,047.79
6. Step 6: Final answer
   x = 1,514.66