Finding the Fourth Proportional to 1,648.01, 2,471.81 and 723.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,648.01 : 2,471.81 = 723.39 : x
2. Step 2: Convert to fraction form
   1,648.01/2,471.81 = 723.39/x
3. Step 3: Cross multiply
   1,648.01x = 2,471.81 × 723.39
4. Step 4: Simplify right side
   1,648.01x = 1,788,079.02
5. Step 5: Solve for x
   x = 1,788,079.02/1,648.01
6. Step 6: Final answer
   x = 1,085.00