Finding the Fourth Proportional to 12,850.50, 19,268.37 and 5,055.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,850.50 : 19,268.37 = 5,055.06 : x
2. Step 2: Convert to fraction form
   12,850.50/19,268.37 = 5,055.06/x
3. Step 3: Cross multiply
   12,850.50x = 19,268.37 × 5,055.06
4. Step 4: Simplify right side
   12,850.50x = 97,402,766.45
5. Step 5: Solve for x
   x = 97,402,766.45/12,850.50
6. Step 6: Final answer
   x = 7,579.69