Finding the Fourth Proportional to 442,435.83, 610,561.59 and 251,444.31

Step by Step Solution

1. Step 1: Write the proportion equation
   442,435.83 : 610,561.59 = 251,444.31 : x
2. Step 2: Convert to fraction form
   442,435.83/610,561.59 = 251,444.31/x
3. Step 3: Cross multiply
   442,435.83x = 610,561.59 × 251,444.31
4. Step 4: Simplify right side
   442,435.83x = 153,522,237,710.05
5. Step 5: Solve for x
   x = 153,522,237,710.05/442,435.83
6. Step 6: Final answer
   x = 346,993.23