Finding the Fourth Proportional to 9,551.25, 13,180.73 and 5,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,551.25 : 13,180.73 = 5,359.50 : x
2. Step 2: Convert to fraction form
   9,551.25/13,180.73 = 5,359.50/x
3. Step 3: Cross multiply
   9,551.25x = 13,180.73 × 5,359.50
4. Step 4: Simplify right side
   9,551.25x = 70,642,095.64
5. Step 5: Solve for x
   x = 70,642,095.64/9,551.25
6. Step 6: Final answer
   x = 7,396.11