Finding the Fourth Proportional to 1,601.41, 2,402.89 and 724.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,601.41 : 2,402.89 = 724.52 : x
2. Step 2: Convert to fraction form
   1,601.41/2,402.89 = 724.52/x
3. Step 3: Cross multiply
   1,601.41x = 2,402.89 × 724.52
4. Step 4: Simplify right side
   1,601.41x = 1,740,941.86
5. Step 5: Solve for x
   x = 1,740,941.86/1,601.41
6. Step 6: Final answer
   x = 1,087.13