Finding the Fourth Proportional to 13,466.59, 18,581.67 and 7,498.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,466.59 : 18,581.67 = 7,498.12 : x
2. Step 2: Convert to fraction form
   13,466.59/18,581.67 = 7,498.12/x
3. Step 3: Cross multiply
   13,466.59x = 18,581.67 × 7,498.12
4. Step 4: Simplify right side
   13,466.59x = 139,327,591.46
5. Step 5: Solve for x
   x = 139,327,591.46/13,466.59
6. Step 6: Final answer
   x = 10,346.17