Finding the Fourth Proportional to 1,471.59, 2,030.72 and 842.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.59 : 2,030.72 = 842.18 : x
2. Step 2: Convert to fraction form
   1,471.59/2,030.72 = 842.18/x
3. Step 3: Cross multiply
   1,471.59x = 2,030.72 × 842.18
4. Step 4: Simplify right side
   1,471.59x = 1,710,217.41
5. Step 5: Solve for x
   x = 1,710,217.41/1,471.59
6. Step 6: Final answer
   x = 1,162.16