Finding the Fourth Proportional to 1,131,839.33, 1,561,146.82 and 768,632.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131,839.33 : 1,561,146.82 = 768,632.09 : x
2. Step 2: Convert to fraction form
   1,131,839.33/1,561,146.82 = 768,632.09/x
3. Step 3: Cross multiply
   1,131,839.33x = 1,561,146.82 × 768,632.09
4. Step 4: Simplify right side
   1,131,839.33x = 1,199,947,533,326.14
5. Step 5: Solve for x
   x = 1,199,947,533,326.14/1,131,839.33
6. Step 6: Final answer
   x = 1,060,174.80