Finding the Fourth Proportional to 12,078.03, 18,114.78 and 5,056.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,078.03 : 18,114.78 = 5,056.14 : x
2. Step 2: Convert to fraction form
   12,078.03/18,114.78 = 5,056.14/x
3. Step 3: Cross multiply
   12,078.03x = 18,114.78 × 5,056.14
4. Step 4: Simplify right side
   12,078.03x = 91,590,863.75
5. Step 5: Solve for x
   x = 91,590,863.75/12,078.03
6. Step 6: Final answer
   x = 7,583.26