Finding the Fourth Proportional to 1,409,739.23, 1,945,387.98 and 765,145.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,739.23 : 1,945,387.98 = 765,145.59 : x
2. Step 2: Convert to fraction form
   1,409,739.23/1,945,387.98 = 765,145.59/x
3. Step 3: Cross multiply
   1,409,739.23x = 1,945,387.98 × 765,145.59
4. Step 4: Simplify right side
   1,409,739.23x = 1,488,505,033,736.01
5. Step 5: Solve for x
   x = 1,488,505,033,736.01/1,409,739.23
6. Step 6: Final answer
   x = 1,055,872.61