Finding the Fourth Proportional to 1,073.48, 1,470.27 and 1,010.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,073.48 : 1,470.27 = 1,010.42 : x
2. Step 2: Convert to fraction form
   1,073.48/1,470.27 = 1,010.42/x
3. Step 3: Cross multiply
   1,073.48x = 1,470.27 × 1,010.42
4. Step 4: Simplify right side
   1,073.48x = 1,485,590.21
5. Step 5: Solve for x
   x = 1,485,590.21/1,073.48
6. Step 6: Final answer
   x = 1,383.90