Finding the Fourth Proportional to 4,986.38, 7,478.52 and 1,697.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,986.38 : 7,478.52 = 1,697.69 : x
2. Step 2: Convert to fraction form
   4,986.38/7,478.52 = 1,697.69/x
3. Step 3: Cross multiply
   4,986.38x = 7,478.52 × 1,697.69
4. Step 4: Simplify right side
   4,986.38x = 12,696,171.23
5. Step 5: Solve for x
   x = 12,696,171.23/4,986.38
6. Step 6: Final answer
   x = 2,546.17