Finding the Fourth Proportional to 9,471.51, 13,065.33 and 5,928.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,471.51 : 13,065.33 = 5,928.57 : x
2. Step 2: Convert to fraction form
   9,471.51/13,065.33 = 5,928.57/x
3. Step 3: Cross multiply
   9,471.51x = 13,065.33 × 5,928.57
4. Step 4: Simplify right side
   9,471.51x = 77,458,628.51
5. Step 5: Solve for x
   x = 77,458,628.51/9,471.51
6. Step 6: Final answer
   x = 8,178.07