Finding the Fourth Proportional to 13,093.45, 18,065.88 and 7,426.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,093.45 : 18,065.88 = 7,426.91 : x
2. Step 2: Convert to fraction form
   13,093.45/18,065.88 = 7,426.91/x
3. Step 3: Cross multiply
   13,093.45x = 18,065.88 × 7,426.91
4. Step 4: Simplify right side
   13,093.45x = 134,173,664.83
5. Step 5: Solve for x
   x = 134,173,664.83/13,093.45
6. Step 6: Final answer
   x = 10,247.39