Finding the Fourth Proportional to 2,109.96, 2,919.06 and 1,848.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.96 : 2,919.06 = 1,848.78 : x
2. Step 2: Convert to fraction form
   2,109.96/2,919.06 = 1,848.78/x
3. Step 3: Cross multiply
   2,109.96x = 2,919.06 × 1,848.78
4. Step 4: Simplify right side
   2,109.96x = 5,396,699.75
5. Step 5: Solve for x
   x = 5,396,699.75/2,109.96
6. Step 6: Final answer
   x = 2,557.73