Finding the Fourth Proportional to 715,796.48, 1,072,907.38 and 294,842.72

Step by Step Solution

1. Step 1: Write the proportion equation
   715,796.48 : 1,072,907.38 = 294,842.72 : x
2. Step 2: Convert to fraction form
   715,796.48/1,072,907.38 = 294,842.72/x
3. Step 3: Cross multiply
   715,796.48x = 1,072,907.38 × 294,842.72
4. Step 4: Simplify right side
   715,796.48x = 316,338,930,227.27
5. Step 5: Solve for x
   x = 316,338,930,227.27/715,796.48
6. Step 6: Final answer
   x = 441,939.77