Finding the Fourth Proportional to 9,971.28, 13,760.58 and 5,495.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,971.28 : 13,760.58 = 5,495.22 : x
2. Step 2: Convert to fraction form
   9,971.28/13,760.58 = 5,495.22/x
3. Step 3: Cross multiply
   9,971.28x = 13,760.58 × 5,495.22
4. Step 4: Simplify right side
   9,971.28x = 75,617,414.43
5. Step 5: Solve for x
   x = 75,617,414.43/9,971.28
6. Step 6: Final answer
   x = 7,583.52