Finding the Fourth Proportional to 1,131,843.83, 1,561,153.02 and 768,636.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,843.83 : 1,561,153.02 = 768,636.59 : x
2. Step 2: Convert to fraction form
   1,131,843.83/1,561,153.02 = 768,636.59/x
3. Step 3: Cross multiply
   1,131,843.83x = 1,561,153.02 × 768,636.59
4. Step 4: Simplify right side
   1,131,843.83x = 1,199,959,325,955.24
5. Step 5: Solve for x
   x = 1,199,959,325,955.24/1,131,843.83
6. Step 6: Final answer
   x = 1,060,181.01