Finding the Fourth Proportional to 2,807.15, 3,873.98 and 1,548.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,807.15 : 3,873.98 = 1,548.35 : x
2. Step 2: Convert to fraction form
   2,807.15/3,873.98 = 1,548.35/x
3. Step 3: Cross multiply
   2,807.15x = 3,873.98 × 1,548.35
4. Step 4: Simplify right side
   2,807.15x = 5,998,249.82
5. Step 5: Solve for x
   x = 5,998,249.82/2,807.15
6. Step 6: Final answer
   x = 2,136.78