Finding the Fourth Proportional to 1,876.78, 2,804.78 and 1,384.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,876.78 : 2,804.78 = 1,384.19 : x
2. Step 2: Convert to fraction form
   1,876.78/2,804.78 = 1,384.19/x
3. Step 3: Cross multiply
   1,876.78x = 2,804.78 × 1,384.19
4. Step 4: Simplify right side
   1,876.78x = 3,882,348.43
5. Step 5: Solve for x
   x = 3,882,348.43/1,876.78
6. Step 6: Final answer
   x = 2,068.62