Finding the Fourth Proportional to 9,367.43, 12,927.60 and 5,388.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,367.43 : 12,927.60 = 5,388.98 : x
2. Step 2: Convert to fraction form
   9,367.43/12,927.60 = 5,388.98/x
3. Step 3: Cross multiply
   9,367.43x = 12,927.60 × 5,388.98
4. Step 4: Simplify right side
   9,367.43x = 69,666,577.85
5. Step 5: Solve for x
   x = 69,666,577.85/9,367.43
6. Step 6: Final answer
   x = 7,437.11