Finding the Fourth Proportional to 892,362, 1,338,039.98 and 293,162.27

Step by Step Solution

1. Step 1: Write the proportion equation
   892,362 : 1,338,039.98 = 293,162.27 : x
2. Step 2: Convert to fraction form
   892,362/1,338,039.98 = 293,162.27/x
3. Step 3: Cross multiply
   892,362x = 1,338,039.98 × 293,162.27
4. Step 4: Simplify right side
   892,362x = 392,262,841,965.56
5. Step 5: Solve for x
   x = 392,262,841,965.56/892,362
6. Step 6: Final answer
   x = 439,578.16