Finding the Fourth Proportional to 2,601.90, 3,582.30 and 2,316.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,601.90 : 3,582.30 = 2,316.96 : x
2. Step 2: Convert to fraction form
   2,601.90/3,582.30 = 2,316.96/x
3. Step 3: Cross multiply
   2,601.90x = 3,582.30 × 2,316.96
4. Step 4: Simplify right side
   2,601.90x = 8,300,045.81
5. Step 5: Solve for x
   x = 8,300,045.81/2,601.90
6. Step 6: Final answer
   x = 3,189.99