Finding the Fourth Proportional to 12,901.22, 19,352.72 and 5,110

Step by Step Solution

1. Step 1: Write the proportion equation
   12,901.22 : 19,352.72 = 5,110 : x
2. Step 2: Convert to fraction form
   12,901.22/19,352.72 = 5,110/x
3. Step 3: Cross multiply
   12,901.22x = 19,352.72 × 5,110
4. Step 4: Simplify right side
   12,901.22x = 98,892,399.20
5. Step 5: Solve for x
   x = 98,892,399.20/12,901.22
6. Step 6: Final answer
   x = 7,665.35