Finding the Fourth Proportional to 804,970.69, 1,207,443.72 and 205,926.78

Step by Step Solution

1. Step 1: Write the proportion equation
   804,970.69 : 1,207,443.72 = 205,926.78 : x
2. Step 2: Convert to fraction form
   804,970.69/1,207,443.72 = 205,926.78/x
3. Step 3: Cross multiply
   804,970.69x = 1,207,443.72 × 205,926.78
4. Step 4: Simplify right side
   804,970.69x = 248,644,997,290.82
5. Step 5: Solve for x
   x = 248,644,997,290.82/804,970.69
6. Step 6: Final answer
   x = 308,887.02