Finding the Fourth Proportional to 1,472.07, 2,030.88 and 842.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472.07 : 2,030.88 = 842.26 : x
2. Step 2: Convert to fraction form
   1,472.07/2,030.88 = 842.26/x
3. Step 3: Cross multiply
   1,472.07x = 2,030.88 × 842.26
4. Step 4: Simplify right side
   1,472.07x = 1,710,524.78
5. Step 5: Solve for x
   x = 1,710,524.78/1,472.07
6. Step 6: Final answer
   x = 1,161.99