Finding the Fourth Proportional to 1,471.50, 2,030.50 and 842.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,471.50 : 2,030.50 = 842.19 : x
2. Step 2: Convert to fraction form
   1,471.50/2,030.50 = 842.19/x
3. Step 3: Cross multiply
   1,471.50x = 2,030.50 × 842.19
4. Step 4: Simplify right side
   1,471.50x = 1,710,066.80
5. Step 5: Solve for x
   x = 1,710,066.80/1,471.50
6. Step 6: Final answer
   x = 1,162.13