Finding the Fourth Proportional to 540,663.91, 746,086.37 and 298,930.52

Step by Step Solution

1. Step 1: Write the proportion equation
   540,663.91 : 746,086.37 = 298,930.52 : x
2. Step 2: Convert to fraction form
   540,663.91/746,086.37 = 298,930.52/x
3. Step 3: Cross multiply
   540,663.91x = 746,086.37 × 298,930.52
4. Step 4: Simplify right side
   540,663.91x = 223,027,986,919.58
5. Step 5: Solve for x
   x = 223,027,986,919.58/540,663.91
6. Step 6: Final answer
   x = 412,507.63