Finding the Fourth Proportional to 9,368.52, 12,927.24 and 5,388.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,368.52 : 12,927.24 = 5,388.18 : x
2. Step 2: Convert to fraction form
   9,368.52/12,927.24 = 5,388.18/x
3. Step 3: Cross multiply
   9,368.52x = 12,927.24 × 5,388.18
4. Step 4: Simplify right side
   9,368.52x = 69,654,296.02
5. Step 5: Solve for x
   x = 69,654,296.02/9,368.52
6. Step 6: Final answer
   x = 7,434.93