Finding the Fourth Proportional to 2,316.26, 3,469.82 and 1,081.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.26 : 3,469.82 = 1,081.98 : x
2. Step 2: Convert to fraction form
   2,316.26/3,469.82 = 1,081.98/x
3. Step 3: Cross multiply
   2,316.26x = 3,469.82 × 1,081.98
4. Step 4: Simplify right side
   2,316.26x = 3,754,275.84
5. Step 5: Solve for x
   x = 3,754,275.84/2,316.26
6. Step 6: Final answer
   x = 1,620.84