Finding the Fourth Proportional to 6,767.06, 10,142.67 and 2,870.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,767.06 : 10,142.67 = 2,870.42 : x
2. Step 2: Convert to fraction form
   6,767.06/10,142.67 = 2,870.42/x
3. Step 3: Cross multiply
   6,767.06x = 10,142.67 × 2,870.42
4. Step 4: Simplify right side
   6,767.06x = 29,113,722.82
5. Step 5: Solve for x
   x = 29,113,722.82/6,767.06
6. Step 6: Final answer
   x = 4,302.27