Finding the Fourth Proportional to 1,409,721.62, 1,945,417.96 and 765,142.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,721.62 : 1,945,417.96 = 765,142.04 : x
2. Step 2: Convert to fraction form
   1,409,721.62/1,945,417.96 = 765,142.04/x
3. Step 3: Cross multiply
   1,409,721.62x = 1,945,417.96 × 765,142.04
4. Step 4: Simplify right side
   1,409,721.62x = 1,488,521,066,567.04
5. Step 5: Solve for x
   x = 1,488,521,066,567.04/1,409,721.62
6. Step 6: Final answer
   x = 1,055,897.17