Finding the Fourth Proportional to 2,426.31, 3,642.63 and 2,081.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.31 : 3,642.63 = 2,081.88 : x
2. Step 2: Convert to fraction form
   2,426.31/3,642.63 = 2,081.88/x
3. Step 3: Cross multiply
   2,426.31x = 3,642.63 × 2,081.88
4. Step 4: Simplify right side
   2,426.31x = 7,583,518.54
5. Step 5: Solve for x
   x = 7,583,518.54/2,426.31
6. Step 6: Final answer
   x = 3,125.54