Finding the Fourth Proportional to 7,805.51, 10,771.59 and 4,268.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,805.51 : 10,771.59 = 4,268.72 : x
2. Step 2: Convert to fraction form
   7,805.51/10,771.59 = 4,268.72/x
3. Step 3: Cross multiply
   7,805.51x = 10,771.59 × 4,268.72
4. Step 4: Simplify right side
   7,805.51x = 45,980,847.81
5. Step 5: Solve for x
   x = 45,980,847.81/7,805.51
6. Step 6: Final answer
   x = 5,890.82