Finding the Fourth Proportional to 2,199.67, 3,035.82 and 1,315.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.67 : 3,035.82 = 1,315.96 : x
2. Step 2: Convert to fraction form
   2,199.67/3,035.82 = 1,315.96/x
3. Step 3: Cross multiply
   2,199.67x = 3,035.82 × 1,315.96
4. Step 4: Simplify right side
   2,199.67x = 3,995,017.69
5. Step 5: Solve for x
   x = 3,995,017.69/2,199.67
6. Step 6: Final answer
   x = 1,816.19