Finding the Fourth Proportional to 9,971.54, 13,760.64 and 5,495.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,971.54 : 13,760.64 = 5,495.18 : x
2. Step 2: Convert to fraction form
   9,971.54/13,760.64 = 5,495.18/x
3. Step 3: Cross multiply
   9,971.54x = 13,760.64 × 5,495.18
4. Step 4: Simplify right side
   9,971.54x = 75,617,193.72
5. Step 5: Solve for x
   x = 75,617,193.72/9,971.54
6. Step 6: Final answer
   x = 7,583.30