Finding the Fourth Proportional to 9,488.97, 13,093.78 and 5,509.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,488.97 : 13,093.78 = 5,509.31 : x
2. Step 2: Convert to fraction form
   9,488.97/13,093.78 = 5,509.31/x
3. Step 3: Cross multiply
   9,488.97x = 13,093.78 × 5,509.31
4. Step 4: Simplify right side
   9,488.97x = 72,137,627.62
5. Step 5: Solve for x
   x = 72,137,627.62/9,488.97
6. Step 6: Final answer
   x = 7,602.26