Finding the Fourth Proportional to 12,393.50, 17,103.40 and 6,804.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,393.50 : 17,103.40 = 6,804.86 : x
2. Step 2: Convert to fraction form
   12,393.50/17,103.40 = 6,804.86/x
3. Step 3: Cross multiply
   12,393.50x = 17,103.40 × 6,804.86
4. Step 4: Simplify right side
   12,393.50x = 116,386,242.52
5. Step 5: Solve for x
   x = 116,386,242.52/12,393.50
6. Step 6: Final answer
   x = 9,390.91