Finding the Fourth Proportional to 538,303.69, 806,693.83 and 298,523.06

Step by Step Solution

1. Step 1: Write the proportion equation
   538,303.69 : 806,693.83 = 298,523.06 : x
2. Step 2: Convert to fraction form
   538,303.69/806,693.83 = 298,523.06/x
3. Step 3: Cross multiply
   538,303.69x = 806,693.83 × 298,523.06
4. Step 4: Simplify right side
   538,303.69x = 240,816,710,614.72
5. Step 5: Solve for x
   x = 240,816,710,614.72/538,303.69
6. Step 6: Final answer
   x = 447,362.18