Finding the Fourth Proportional to 13,112.46, 19,651.68 and 5,317.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,112.46 : 19,651.68 = 5,317.02 : x
2. Step 2: Convert to fraction form
   13,112.46/19,651.68 = 5,317.02/x
3. Step 3: Cross multiply
   13,112.46x = 19,651.68 × 5,317.02
4. Step 4: Simplify right side
   13,112.46x = 104,488,375.59
5. Step 5: Solve for x
   x = 104,488,375.59/13,112.46
6. Step 6: Final answer
   x = 7,968.63