Finding the Fourth Proportional to 12,468.82, 18,706.75 and 5,078.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,468.82 : 18,706.75 = 5,078.59 : x
2. Step 2: Convert to fraction form
   12,468.82/18,706.75 = 5,078.59/x
3. Step 3: Cross multiply
   12,468.82x = 18,706.75 × 5,078.59
4. Step 4: Simplify right side
   12,468.82x = 95,003,913.48
5. Step 5: Solve for x
   x = 95,003,913.48/12,468.82
6. Step 6: Final answer
   x = 7,619.32