Finding the Fourth Proportional to 2,807.82, 3,875.15 and 2,334.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,807.82 : 3,875.15 = 2,334.90 : x
2. Step 2: Convert to fraction form
   2,807.82/3,875.15 = 2,334.90/x
3. Step 3: Cross multiply
   2,807.82x = 3,875.15 × 2,334.90
4. Step 4: Simplify right side
   2,807.82x = 9,048,087.74
5. Step 5: Solve for x
   x = 9,048,087.74/2,807.82
6. Step 6: Final answer
   x = 3,222.46