Finding the Fourth Proportional to 12,145.01, 18,217.58 and 3,379.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,145.01 : 18,217.58 = 3,379.93 : x
2. Step 2: Convert to fraction form
   12,145.01/18,217.58 = 3,379.93/x
3. Step 3: Cross multiply
   12,145.01x = 18,217.58 × 3,379.93
4. Step 4: Simplify right side
   12,145.01x = 61,574,082.73
5. Step 5: Solve for x
   x = 61,574,082.73/12,145.01
6. Step 6: Final answer
   x = 5,069.91