Finding the Fourth Proportional to 13,429.62, 18,532.59 and 7,461.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,429.62 : 18,532.59 = 7,461.18 : x
2. Step 2: Convert to fraction form
   13,429.62/18,532.59 = 7,461.18/x
3. Step 3: Cross multiply
   13,429.62x = 18,532.59 × 7,461.18
4. Step 4: Simplify right side
   13,429.62x = 138,274,989.86
5. Step 5: Solve for x
   x = 138,274,989.86/13,429.62
6. Step 6: Final answer
   x = 10,296.27