Finding the Fourth Proportional to 1,409,723.62, 1,945,420.72 and 765,144.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,723.62 : 1,945,420.72 = 765,144.04 : x
2. Step 2: Convert to fraction form
   1,409,723.62/1,945,420.72 = 765,144.04/x
3. Step 3: Cross multiply
   1,409,723.62x = 1,945,420.72 × 765,144.04
4. Step 4: Simplify right side
   1,409,723.62x = 1,488,527,069,200.51
5. Step 5: Solve for x
   x = 1,488,527,069,200.51/1,409,723.62
6. Step 6: Final answer
   x = 1,055,899.93