Finding the Fourth Proportional to 442,433.83, 610,558.83 and 251,442.31

Step by Step Solution

1. Step 1: Write the proportion equation
   442,433.83 : 610,558.83 = 251,442.31 : x
2. Step 2: Convert to fraction form
   442,433.83/610,558.83 = 251,442.31/x
3. Step 3: Cross multiply
   442,433.83x = 610,558.83 × 251,442.31
4. Step 4: Simplify right side
   442,433.83x = 153,520,322,606.10
5. Step 5: Solve for x
   x = 153,520,322,606.10/442,433.83
6. Step 6: Final answer
   x = 346,990.47