Finding the Fourth Proportional to 13,068.18, 18,030.60 and 7,401.69

Step by Step Solution

1. Step 1: Write the proportion equation
   13,068.18 : 18,030.60 = 7,401.69 : x
2. Step 2: Convert to fraction form
   13,068.18/18,030.60 = 7,401.69/x
3. Step 3: Cross multiply
   13,068.18x = 18,030.60 × 7,401.69
4. Step 4: Simplify right side
   13,068.18x = 133,456,911.71
5. Step 5: Solve for x
   x = 133,456,911.71/13,068.18
6. Step 6: Final answer
   x = 10,212.36