Finding the Fourth Proportional to 13,068.47, 18,034.87 and 7,404.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,068.47 : 18,034.87 = 7,404.02 : x
2. Step 2: Convert to fraction form
   13,068.47/18,034.87 = 7,404.02/x
3. Step 3: Cross multiply
   13,068.47x = 18,034.87 × 7,404.02
4. Step 4: Simplify right side
   13,068.47x = 133,530,511.01
5. Step 5: Solve for x
   x = 133,530,511.01/13,068.47
6. Step 6: Final answer
   x = 10,217.76