Finding the Fourth Proportional to 9,391.95, 12,958.72 and 5,616.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,391.95 : 12,958.72 = 5,616.34 : x
2. Step 2: Convert to fraction form
   9,391.95/12,958.72 = 5,616.34/x
3. Step 3: Cross multiply
   9,391.95x = 12,958.72 × 5,616.34
4. Step 4: Simplify right side
   9,391.95x = 72,780,531.05
5. Step 5: Solve for x
   x = 72,780,531.05/9,391.95
6. Step 6: Final answer
   x = 7,749.25