Finding the Fourth Proportional to 803,016.38, 1,108,168.05 and 440,442.77

Step by Step Solution

1. Step 1: Write the proportion equation
   803,016.38 : 1,108,168.05 = 440,442.77 : x
2. Step 2: Convert to fraction form
   803,016.38/1,108,168.05 = 440,442.77/x
3. Step 3: Cross multiply
   803,016.38x = 1,108,168.05 × 440,442.77
4. Step 4: Simplify right side
   803,016.38x = 488,084,601,678.32
5. Step 5: Solve for x
   x = 488,084,601,678.32/803,016.38
6. Step 6: Final answer
   x = 607,814.00