Finding the Fourth Proportional to 728,961.42, 1,093,317.49 and 196,357.89

Step by Step Solution

1. Step 1: Write the proportion equation
   728,961.42 : 1,093,317.49 = 196,357.89 : x
2. Step 2: Convert to fraction form
   728,961.42/1,093,317.49 = 196,357.89/x
3. Step 3: Cross multiply
   728,961.42x = 1,093,317.49 × 196,357.89
4. Step 4: Simplify right side
   728,961.42x = 214,681,515,436.50
5. Step 5: Solve for x
   x = 214,681,515,436.50/728,961.42
6. Step 6: Final answer
   x = 294,503.26