Finding the Fourth Proportional to 1,053,729.94, 1,580,128.35 and 756,997.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053,729.94 : 1,580,128.35 = 756,997.78 : x
2. Step 2: Convert to fraction form
   1,053,729.94/1,580,128.35 = 756,997.78/x
3. Step 3: Cross multiply
   1,053,729.94x = 1,580,128.35 × 756,997.78
4. Step 4: Simplify right side
   1,053,729.94x = 1,196,153,653,065.06
5. Step 5: Solve for x
   x = 1,196,153,653,065.06/1,053,729.94
6. Step 6: Final answer
   x = 1,135,161.49