Finding the Fourth Proportional to 786,796.88, 1,180,191.42 and 679,855.42

Step by Step Solution

1. Step 1: Write the proportion equation
   786,796.88 : 1,180,191.42 = 679,855.42 : x
2. Step 2: Convert to fraction form
   786,796.88/1,180,191.42 = 679,855.42/x
3. Step 3: Cross multiply
   786,796.88x = 1,180,191.42 × 679,855.42
4. Step 4: Simplify right side
   786,796.88x = 802,359,533,524.50
5. Step 5: Solve for x
   x = 802,359,533,524.50/786,796.88
6. Step 6: Final answer
   x = 1,019,779.76