Finding the Fourth Proportional to 9,547.34, 13,175.28 and 5,355.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,547.34 : 13,175.28 = 5,355.59 : x
2. Step 2: Convert to fraction form
   9,547.34/13,175.28 = 5,355.59/x
3. Step 3: Cross multiply
   9,547.34x = 13,175.28 × 5,355.59
4. Step 4: Simplify right side
   9,547.34x = 70,561,331.94
5. Step 5: Solve for x
   x = 70,561,331.94/9,547.34
6. Step 6: Final answer
   x = 7,390.68