Finding the Fourth Proportional to 10,495.96, 15,746.25 and 3,478.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,495.96 : 15,746.25 = 3,478.15 : x
2. Step 2: Convert to fraction form
   10,495.96/15,746.25 = 3,478.15/x
3. Step 3: Cross multiply
   10,495.96x = 15,746.25 × 3,478.15
4. Step 4: Simplify right side
   10,495.96x = 54,767,819.44
5. Step 5: Solve for x
   x = 54,767,819.44/10,495.96
6. Step 6: Final answer
   x = 5,217.99