Finding the Fourth Proportional to 2,808.86, 3,875.55 and 2,061.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,808.86 : 3,875.55 = 2,061.51 : x
2. Step 2: Convert to fraction form
   2,808.86/3,875.55 = 2,061.51/x
3. Step 3: Cross multiply
   2,808.86x = 3,875.55 × 2,061.51
4. Step 4: Simplify right side
   2,808.86x = 7,989,485.08
5. Step 5: Solve for x
   x = 7,989,485.08/2,808.86
6. Step 6: Final answer
   x = 2,844.39