Finding the Fourth Proportional to 10,335.15, 15,493.98 and 4,099.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,335.15 : 15,493.98 = 4,099.59 : x
2. Step 2: Convert to fraction form
   10,335.15/15,493.98 = 4,099.59/x
3. Step 3: Cross multiply
   10,335.15x = 15,493.98 × 4,099.59
4. Step 4: Simplify right side
   10,335.15x = 63,518,965.47
5. Step 5: Solve for x
   x = 63,518,965.47/10,335.15
6. Step 6: Final answer
   x = 6,145.92