Finding the Fourth Proportional to 12,199.82, 18,299.27 and 3,434.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,199.82 : 18,299.27 = 3,434.50 : x
2. Step 2: Convert to fraction form
   12,199.82/18,299.27 = 3,434.50/x
3. Step 3: Cross multiply
   12,199.82x = 18,299.27 × 3,434.50
4. Step 4: Simplify right side
   12,199.82x = 62,848,854.96
5. Step 5: Solve for x
   x = 62,848,854.96/12,199.82
6. Step 6: Final answer
   x = 5,151.62