Finding the Fourth Proportional to 13,046.86, 18,004.17 and 7,078.32

Step by Step Solution

1. Step 1: Write the proportion equation
   13,046.86 : 18,004.17 = 7,078.32 : x
2. Step 2: Convert to fraction form
   13,046.86/18,004.17 = 7,078.32/x
3. Step 3: Cross multiply
   13,046.86x = 18,004.17 × 7,078.32
4. Step 4: Simplify right side
   13,046.86x = 127,439,276.59
5. Step 5: Solve for x
   x = 127,439,276.59/13,046.86
6. Step 6: Final answer
   x = 9,767.81