Finding the Fourth Proportional to 2,836.32, 3,911.52 and 1,878.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,836.32 : 3,911.52 = 1,878.83 : x
2. Step 2: Convert to fraction form
   2,836.32/3,911.52 = 1,878.83/x
3. Step 3: Cross multiply
   2,836.32x = 3,911.52 × 1,878.83
4. Step 4: Simplify right side
   2,836.32x = 7,349,081.12
5. Step 5: Solve for x
   x = 7,349,081.12/2,836.32
6. Step 6: Final answer
   x = 2,591.06