Finding the Fourth Proportional to 12,380.69, 18,569.21 and 4,061.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380.69 : 18,569.21 = 4,061.58 : x
2. Step 2: Convert to fraction form
   12,380.69/18,569.21 = 4,061.58/x
3. Step 3: Cross multiply
   12,380.69x = 18,569.21 × 4,061.58
4. Step 4: Simplify right side
   12,380.69x = 75,420,396.51
5. Step 5: Solve for x
   x = 75,420,396.51/12,380.69
6. Step 6: Final answer
   x = 6,091.78