Finding the Fourth Proportional to 404,160.06, 557,509.32 and 252,994.62

Step by Step Solution

1. Step 1: Write the proportion equation
   404,160.06 : 557,509.32 = 252,994.62 : x
2. Step 2: Convert to fraction form
   404,160.06/557,509.32 = 252,994.62/x
3. Step 3: Cross multiply
   404,160.06x = 557,509.32 × 252,994.62
4. Step 4: Simplify right side
   404,160.06x = 141,046,858,559.86
5. Step 5: Solve for x
   x = 141,046,858,559.86/404,160.06
6. Step 6: Final answer
   x = 348,987.62