Finding the Fourth Proportional to 1,010,929.50, 1,515,887.18 and 336,773.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010,929.50 : 1,515,887.18 = 336,773.78 : x
2. Step 2: Convert to fraction form
   1,010,929.50/1,515,887.18 = 336,773.78/x
3. Step 3: Cross multiply
   1,010,929.50x = 1,515,887.18 × 336,773.78
4. Step 4: Simplify right side
   1,010,929.50x = 510,511,055,662.14
5. Step 5: Solve for x
   x = 510,511,055,662.14/1,010,929.50
6. Step 6: Final answer
   x = 504,991.75