Finding the Fourth Proportional to 748,167.25, 1,032,470.82 and 408,636.31

Step by Step Solution

1. Step 1: Write the proportion equation
   748,167.25 : 1,032,470.82 = 408,636.31 : x
2. Step 2: Convert to fraction form
   748,167.25/1,032,470.82 = 408,636.31/x
3. Step 3: Cross multiply
   748,167.25x = 1,032,470.82 × 408,636.31
4. Step 4: Simplify right side
   748,167.25x = 421,905,066,067.47
5. Step 5: Solve for x
   x = 421,905,066,067.47/748,167.25
6. Step 6: Final answer
   x = 563,918.12