Finding the Fourth Proportional to 13,093.37, 18,065.77 and 7,426.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,093.37 : 18,065.77 = 7,426.81 : x
2. Step 2: Convert to fraction form
   13,093.37/18,065.77 = 7,426.81/x
3. Step 3: Cross multiply
   13,093.37x = 18,065.77 × 7,426.81
4. Step 4: Simplify right side
   13,093.37x = 134,171,041.29
5. Step 5: Solve for x
   x = 134,171,041.29/13,093.37
6. Step 6: Final answer
   x = 10,247.25