Finding the Fourth Proportional to 4,946.52, 7,419.15 and 1,388.96

Step by Step Solution

1. Step 1: Write the proportion equation
   4,946.52 : 7,419.15 = 1,388.96 : x
2. Step 2: Convert to fraction form
   4,946.52/7,419.15 = 1,388.96/x
3. Step 3: Cross multiply
   4,946.52x = 7,419.15 × 1,388.96
4. Step 4: Simplify right side
   4,946.52x = 10,304,904.72
5. Step 5: Solve for x
   x = 10,304,904.72/4,946.52
6. Step 6: Final answer
   x = 2,083.26