Finding the Fourth Proportional to 13,091.94, 18,062.46 and 7,426.08

Step by Step Solution

1. Step 1: Write the proportion equation
   13,091.94 : 18,062.46 = 7,426.08 : x
2. Step 2: Convert to fraction form
   13,091.94/18,062.46 = 7,426.08/x
3. Step 3: Cross multiply
   13,091.94x = 18,062.46 × 7,426.08
4. Step 4: Simplify right side
   13,091.94x = 134,133,272.96
5. Step 5: Solve for x
   x = 134,133,272.96/13,091.94
6. Step 6: Final answer
   x = 10,245.48