Finding the Fourth Proportional to 1,409,768.91, 1,945,428.98 and 765,175.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409,768.91 : 1,945,428.98 = 765,175.28 : x
2. Step 2: Convert to fraction form
   1,409,768.91/1,945,428.98 = 765,175.28/x
3. Step 3: Cross multiply
   1,409,768.91x = 1,945,428.98 × 765,175.28
4. Step 4: Simplify right side
   1,409,768.91x = 1,488,594,150,938.59
5. Step 5: Solve for x
   x = 1,488,594,150,938.59/1,409,768.91
6. Step 6: Final answer
   x = 1,055,913.59