Finding the Fourth Proportional to 1,377,137.52, 1,900,328.76 and 765,251.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,137.52 : 1,900,328.76 = 765,251.51 : x
2. Step 2: Convert to fraction form
   1,377,137.52/1,900,328.76 = 765,251.51/x
3. Step 3: Cross multiply
   1,377,137.52x = 1,900,328.76 × 765,251.51
4. Step 4: Simplify right side
   1,377,137.52x = 1,454,229,443,584.78
5. Step 5: Solve for x
   x = 1,454,229,443,584.78/1,377,137.52
6. Step 6: Final answer
   x = 1,055,979.83