Finding the Fourth Proportional to 10,109.29, 15,166.80 and 3,447.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,109.29 : 15,166.80 = 3,447.25 : x
2. Step 2: Convert to fraction form
   10,109.29/15,166.80 = 3,447.25/x
3. Step 3: Cross multiply
   10,109.29x = 15,166.80 × 3,447.25
4. Step 4: Simplify right side
   10,109.29x = 52,283,751.30
5. Step 5: Solve for x
   x = 52,283,751.30/10,109.29
6. Step 6: Final answer
   x = 5,171.85