Finding the Fourth Proportional to 10,842.58, 16,264.07 and 3,447.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,842.58 : 16,264.07 = 3,447.15 : x
2. Step 2: Convert to fraction form
   10,842.58/16,264.07 = 3,447.15/x
3. Step 3: Cross multiply
   10,842.58x = 16,264.07 × 3,447.15
4. Step 4: Simplify right side
   10,842.58x = 56,064,688.90
5. Step 5: Solve for x
   x = 56,064,688.90/10,842.58
6. Step 6: Final answer
   x = 5,170.79