Finding the Fourth Proportional to 400,150.62, 552,131.46 and 228,065.31

Step by Step Solution

1. Step 1: Write the proportion equation
   400,150.62 : 552,131.46 = 228,065.31 : x
2. Step 2: Convert to fraction form
   400,150.62/552,131.46 = 228,065.31/x
3. Step 3: Cross multiply
   400,150.62x = 552,131.46 × 228,065.31
4. Step 4: Simplify right side
   400,150.62x = 125,922,032,585.65
5. Step 5: Solve for x
   x = 125,922,032,585.65/400,150.62
6. Step 6: Final answer
   x = 314,686.59