Finding the Fourth Proportional to 1,377,002.93, 1,900,226.31 and 765,139.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377,002.93 : 1,900,226.31 = 765,139.94 : x
2. Step 2: Convert to fraction form
   1,377,002.93/1,900,226.31 = 765,139.94/x
3. Step 3: Cross multiply
   1,377,002.93x = 1,900,226.31 × 765,139.94
4. Step 4: Simplify right side
   1,377,002.93x = 1,453,939,035,318.69
5. Step 5: Solve for x
   x = 1,453,939,035,318.69/1,377,002.93
6. Step 6: Final answer
   x = 1,055,872.15