Finding the Fourth Proportional to 1,880.47, 2,819.99 and 1,358.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,880.47 : 2,819.99 = 1,358.89 : x
2. Step 2: Convert to fraction form
   1,880.47/2,819.99 = 1,358.89/x
3. Step 3: Cross multiply
   1,880.47x = 2,819.99 × 1,358.89
4. Step 4: Simplify right side
   1,880.47x = 3,832,045.89
5. Step 5: Solve for x
   x = 3,832,045.89/1,880.47
6. Step 6: Final answer
   x = 2,037.82