Finding the Fourth Proportional to 1,377,023.49, 1,900,292.58 and 765,158.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,023.49 : 1,900,292.58 = 765,158.31 : x
2. Step 2: Convert to fraction form
   1,377,023.49/1,900,292.58 = 765,158.31/x
3. Step 3: Cross multiply
   1,377,023.49x = 1,900,292.58 × 765,158.31
4. Step 4: Simplify right side
   1,377,023.49x = 1,454,024,659,018.34
5. Step 5: Solve for x
   x = 1,454,024,659,018.34/1,377,023.49
6. Step 6: Final answer
   x = 1,055,918.56