Finding the Fourth Proportional to 1,886.76, 2,826.15 and 1,193.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.76 : 2,826.15 = 1,193.07 : x
2. Step 2: Convert to fraction form
   1,886.76/2,826.15 = 1,193.07/x
3. Step 3: Cross multiply
   1,886.76x = 2,826.15 × 1,193.07
4. Step 4: Simplify right side
   1,886.76x = 3,371,794.78
5. Step 5: Solve for x
   x = 3,371,794.78/1,886.76
6. Step 6: Final answer
   x = 1,787.08