Finding the Fourth Proportional to 2,468.88, 3,681.90 and 2,106

Step by Step Solution

1. Step 1: Write the proportion equation
   2,468.88 : 3,681.90 = 2,106 : x
2. Step 2: Convert to fraction form
   2,468.88/3,681.90 = 2,106/x
3. Step 3: Cross multiply
   2,468.88x = 3,681.90 × 2,106
4. Step 4: Simplify right side
   2,468.88x = 7,754,081.40
5. Step 5: Solve for x
   x = 7,754,081.40/2,468.88
6. Step 6: Final answer
   x = 3,140.73