Finding the Fourth Proportional to 2,217.98, 3,061.19 and 2,119.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217.98 : 3,061.19 = 2,119.57 : x
2. Step 2: Convert to fraction form
   2,217.98/3,061.19 = 2,119.57/x
3. Step 3: Cross multiply
   2,217.98x = 3,061.19 × 2,119.57
4. Step 4: Simplify right side
   2,217.98x = 6,488,404.13
5. Step 5: Solve for x
   x = 6,488,404.13/2,217.98
6. Step 6: Final answer
   x = 2,925.36