Finding the Fourth Proportional to 12,308.59, 18,460.14 and 3,541.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,308.59 : 18,460.14 = 3,541.60 : x
2. Step 2: Convert to fraction form
   12,308.59/18,460.14 = 3,541.60/x
3. Step 3: Cross multiply
   12,308.59x = 18,460.14 × 3,541.60
4. Step 4: Simplify right side
   12,308.59x = 65,378,431.82
5. Step 5: Solve for x
   x = 65,378,431.82/12,308.59
6. Step 6: Final answer
   x = 5,311.61