Finding the Fourth Proportional to 9,155.93, 13,735.27 and 3,313.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,155.93 : 13,735.27 = 3,313.91 : x
2. Step 2: Convert to fraction form
   9,155.93/13,735.27 = 3,313.91/x
3. Step 3: Cross multiply
   9,155.93x = 13,735.27 × 3,313.91
4. Step 4: Simplify right side
   9,155.93x = 45,517,456.89
5. Step 5: Solve for x
   x = 45,517,456.89/9,155.93
6. Step 6: Final answer
   x = 4,971.36