Finding the Fourth Proportional to 707,144.04, 975,880.71 and 401,233.37

Step by Step Solution

1. Step 1: Write the proportion equation
   707,144.04 : 975,880.71 = 401,233.37 : x
2. Step 2: Convert to fraction form
   707,144.04/975,880.71 = 401,233.37/x
3. Step 3: Cross multiply
   707,144.04x = 975,880.71 × 401,233.37
4. Step 4: Simplify right side
   707,144.04x = 391,555,901,111.89
5. Step 5: Solve for x
   x = 391,555,901,111.89/707,144.04
6. Step 6: Final answer
   x = 553,714.49