Finding the Fourth Proportional to 12,199.10, 18,298.56 and 3,433.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,199.10 : 18,298.56 = 3,433.82 : x
2. Step 2: Convert to fraction form
   12,199.10/18,298.56 = 3,433.82/x
3. Step 3: Cross multiply
   12,199.10x = 18,298.56 × 3,433.82
4. Step 4: Simplify right side
   12,199.10x = 62,833,961.30
5. Step 5: Solve for x
   x = 62,833,961.30/12,199.10
6. Step 6: Final answer
   x = 5,150.70