Finding the Fourth Proportional to 6,506.37, 8,978.78 and 3,674.34

Step by Step Solution

1. Step 1: Write the proportion equation
   6,506.37 : 8,978.78 = 3,674.34 : x
2. Step 2: Convert to fraction form
   6,506.37/8,978.78 = 3,674.34/x
3. Step 3: Cross multiply
   6,506.37x = 8,978.78 × 3,674.34
4. Step 4: Simplify right side
   6,506.37x = 32,991,090.51
5. Step 5: Solve for x
   x = 32,991,090.51/6,506.37
6. Step 6: Final answer
   x = 5,070.58