Finding the Fourth Proportional to 6,467.90, 9,688.01 and 3,693.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,467.90 : 9,688.01 = 3,693.10 : x
2. Step 2: Convert to fraction form
   6,467.90/9,688.01 = 3,693.10/x
3. Step 3: Cross multiply
   6,467.90x = 9,688.01 × 3,693.10
4. Step 4: Simplify right side
   6,467.90x = 35,778,789.73
5. Step 5: Solve for x
   x = 35,778,789.73/6,467.90
6. Step 6: Final answer
   x = 5,531.75