Finding the Fourth Proportional to 13,103.29, 18,081.63 and 7,438.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,103.29 : 18,081.63 = 7,438.17 : x
2. Step 2: Convert to fraction form
   13,103.29/18,081.63 = 7,438.17/x
3. Step 3: Cross multiply
   13,103.29x = 18,081.63 × 7,438.17
4. Step 4: Simplify right side
   13,103.29x = 134,494,237.82
5. Step 5: Solve for x
   x = 134,494,237.82/13,103.29
6. Step 6: Final answer
   x = 10,264.16