Finding the Fourth Proportional to 10,055.12, 15,054.69 and 5,114.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,055.12 : 15,054.69 = 5,114.12 : x
2. Step 2: Convert to fraction form
   10,055.12/15,054.69 = 5,114.12/x
3. Step 3: Cross multiply
   10,055.12x = 15,054.69 × 5,114.12
4. Step 4: Simplify right side
   10,055.12x = 76,991,491.22
5. Step 5: Solve for x
   x = 76,991,491.22/10,055.12
6. Step 6: Final answer
   x = 7,656.94