Finding the Fourth Proportional to 1,409,722.01, 1,945,411.49 and 765,142.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,722.01 : 1,945,411.49 = 765,142.20 : x
2. Step 2: Convert to fraction form
   1,409,722.01/1,945,411.49 = 765,142.20/x
3. Step 3: Cross multiply
   1,409,722.01x = 1,945,411.49 × 765,142.20
4. Step 4: Simplify right side
   1,409,722.01x = 1,488,516,429,276.73
5. Step 5: Solve for x
   x = 1,488,516,429,276.73/1,409,722.01
6. Step 6: Final answer
   x = 1,055,893.59