Finding the Fourth Proportional to 12,385.68, 17,091.72 and 6,796.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,385.68 : 17,091.72 = 6,796.32 : x
2. Step 2: Convert to fraction form
   12,385.68/17,091.72 = 6,796.32/x
3. Step 3: Cross multiply
   12,385.68x = 17,091.72 × 6,796.32
4. Step 4: Simplify right side
   12,385.68x = 116,160,798.47
5. Step 5: Solve for x
   x = 116,160,798.47/12,385.68
6. Step 6: Final answer
   x = 9,378.64