Finding the Fourth Proportional to 3,139,464, 4,709,898 and 1,144,920

Step by Step Solution

1. Step 1: Write the proportion equation
   3,139,464 : 4,709,898 = 1,144,920 : x
2. Step 2: Convert to fraction form
   3,139,464/4,709,898 = 1,144,920/x
3. Step 3: Cross multiply
   3,139,464x = 4,709,898 × 1,144,920
4. Step 4: Simplify right side
   3,139,464x = 5,392,456,418,160
5. Step 5: Solve for x
   x = 5,392,456,418,160/3,139,464
6. Step 6: Final answer
   x = 1,717,636.01