Finding the Fourth Proportional to 7,867.87, 10,853.06 and 5,073.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,867.87 : 10,853.06 = 5,073.37 : x
2. Step 2: Convert to fraction form
   7,867.87/10,853.06 = 5,073.37/x
3. Step 3: Cross multiply
   7,867.87x = 10,853.06 × 5,073.37
4. Step 4: Simplify right side
   7,867.87x = 55,061,536.51
5. Step 5: Solve for x
   x = 55,061,536.51/7,867.87
6. Step 6: Final answer
   x = 6,998.28