Finding the Fourth Proportional to 498,003.60, 746,908.20 and 165,579.60

Step by Step Solution

1. Step 1: Write the proportion equation
   498,003.60 : 746,908.20 = 165,579.60 : x
2. Step 2: Convert to fraction form
   498,003.60/746,908.20 = 165,579.60/x
3. Step 3: Cross multiply
   498,003.60x = 746,908.20 × 165,579.60
4. Step 4: Simplify right side
   498,003.60x = 123,672,760,992.72
5. Step 5: Solve for x
   x = 123,672,760,992.72/498,003.60
6. Step 6: Final answer
   x = 248,337.08