Finding the Fourth Proportional to 6,607.48, 9,116.06 and 3,918.14

Step by Step Solution

1. Step 1: Write the proportion equation
   6,607.48 : 9,116.06 = 3,918.14 : x
2. Step 2: Convert to fraction form
   6,607.48/9,116.06 = 3,918.14/x
3. Step 3: Cross multiply
   6,607.48x = 9,116.06 × 3,918.14
4. Step 4: Simplify right side
   6,607.48x = 35,717,999.33
5. Step 5: Solve for x
   x = 35,717,999.33/6,607.48
6. Step 6: Final answer
   x = 5,405.69