Finding the Fourth Proportional to 6,559.71, 9,051.42 and 3,907.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,559.71 : 9,051.42 = 3,907.05 : x
2. Step 2: Convert to fraction form
   6,559.71/9,051.42 = 3,907.05/x
3. Step 3: Cross multiply
   6,559.71x = 9,051.42 × 3,907.05
4. Step 4: Simplify right side
   6,559.71x = 35,364,350.51
5. Step 5: Solve for x
   x = 35,364,350.51/6,559.71
6. Step 6: Final answer
   x = 5,391.15