Finding the Fourth Proportional to 9,696.47, 13,387.55 and 7,454.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,696.47 : 13,387.55 = 7,454.39 : x
2. Step 2: Convert to fraction form
   9,696.47/13,387.55 = 7,454.39/x
3. Step 3: Cross multiply
   9,696.47x = 13,387.55 × 7,454.39
4. Step 4: Simplify right side
   9,696.47x = 99,795,914.63
5. Step 5: Solve for x
   x = 99,795,914.63/9,696.47
6. Step 6: Final answer
   x = 10,291.99