Finding the Fourth Proportional to 1,880.49, 2,593.42 and 1,216.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,880.49 : 2,593.42 = 1,216.69 : x
2. Step 2: Convert to fraction form
   1,880.49/2,593.42 = 1,216.69/x
3. Step 3: Cross multiply
   1,880.49x = 2,593.42 × 1,216.69
4. Step 4: Simplify right side
   1,880.49x = 3,155,388.18
5. Step 5: Solve for x
   x = 3,155,388.18/1,880.49
6. Step 6: Final answer
   x = 1,677.96