Finding the Fourth Proportional to 6,720.46, 10,086.96 and 3,435.94

Step by Step Solution

1. Step 1: Write the proportion equation
   6,720.46 : 10,086.96 = 3,435.94 : x
2. Step 2: Convert to fraction form
   6,720.46/10,086.96 = 3,435.94/x
3. Step 3: Cross multiply
   6,720.46x = 10,086.96 × 3,435.94
4. Step 4: Simplify right side
   6,720.46x = 34,658,189.34
5. Step 5: Solve for x
   x = 34,658,189.34/6,720.46
6. Step 6: Final answer
   x = 5,157.12