Finding the Fourth Proportional to 2,776,521.27, 4,165,768.31 and 1,239,377.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,776,521.27 : 4,165,768.31 = 1,239,377.39 : x
2. Step 2: Convert to fraction form
   2,776,521.27/4,165,768.31 = 1,239,377.39/x
3. Step 3: Cross multiply
   2,776,521.27x = 4,165,768.31 × 1,239,377.39
4. Step 4: Simplify right side
   2,776,521.27x = 5,162,959,028,366.78
5. Step 5: Solve for x
   x = 5,162,959,028,366.78/2,776,521.27
6. Step 6: Final answer
   x = 1,859,506.38