Finding the Fourth Proportional to 1,096,086.83, 1,644,093.18 and 386,096.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096,086.83 : 1,644,093.18 = 386,096.31 : x
2. Step 2: Convert to fraction form
   1,096,086.83/1,644,093.18 = 386,096.31/x
3. Step 3: Cross multiply
   1,096,086.83x = 1,644,093.18 × 386,096.31
4. Step 4: Simplify right side
   1,096,086.83x = 634,778,310,094.17
5. Step 5: Solve for x
   x = 634,778,310,094.17/1,096,086.83
6. Step 6: Final answer
   x = 579,131.41