Finding the Fourth Proportional to 2,492.31, 3,739.55 and 1,336.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.31 : 3,739.55 = 1,336.71 : x
2. Step 2: Convert to fraction form
   2,492.31/3,739.55 = 1,336.71/x
3. Step 3: Cross multiply
   2,492.31x = 3,739.55 × 1,336.71
4. Step 4: Simplify right side
   2,492.31x = 4,998,687.20
5. Step 5: Solve for x
   x = 4,998,687.20/2,492.31
6. Step 6: Final answer
   x = 2,005.64