Finding the Fourth Proportional to 9,467.78, 13,063.43 and 5,434.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,467.78 : 13,063.43 = 5,434.37 : x
2. Step 2: Convert to fraction form
   9,467.78/13,063.43 = 5,434.37/x
3. Step 3: Cross multiply
   9,467.78x = 13,063.43 × 5,434.37
4. Step 4: Simplify right side
   9,467.78x = 70,991,419.60
5. Step 5: Solve for x
   x = 70,991,419.60/9,467.78
6. Step 6: Final answer
   x = 7,498.22