Finding the Fourth Proportional to 6,661.30, 9,998.16 and 3,376.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,661.30 : 9,998.16 = 3,376.69 : x
2. Step 2: Convert to fraction form
   6,661.30/9,998.16 = 3,376.69/x
3. Step 3: Cross multiply
   6,661.30x = 9,998.16 × 3,376.69
4. Step 4: Simplify right side
   6,661.30x = 33,760,686.89
5. Step 5: Solve for x
   x = 33,760,686.89/6,661.30
6. Step 6: Final answer
   x = 5,068.18