Finding the Fourth Proportional to 12,390.52, 17,099.24 and 6,801.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,390.52 : 17,099.24 = 6,801.52 : x
2. Step 2: Convert to fraction form
   12,390.52/17,099.24 = 6,801.52/x
3. Step 3: Cross multiply
   12,390.52x = 17,099.24 × 6,801.52
4. Step 4: Simplify right side
   12,390.52x = 116,300,822.84
5. Step 5: Solve for x
   x = 116,300,822.84/12,390.52
6. Step 6: Final answer
   x = 9,386.27