Finding the Fourth Proportional to 248,651.00, 372,979.10 and 199,046.42

Step by Step Solution

1. Step 1: Write the proportion equation
   248,651.00 : 372,979.10 = 199,046.42 : x
2. Step 2: Convert to fraction form
   248,651.00/372,979.10 = 199,046.42/x
3. Step 3: Cross multiply
   248,651.00x = 372,979.10 × 199,046.42
4. Step 4: Simplify right side
   248,651.00x = 74,240,156,019.89
5. Step 5: Solve for x
   x = 74,240,156,019.89/248,651.00
6. Step 6: Final answer
   x = 298,571.72