Finding the Fourth Proportional to 427,131.32, 589,442.22 and 245,854.52

Step by Step Solution

1. Step 1: Write the proportion equation
   427,131.32 : 589,442.22 = 245,854.52 : x
2. Step 2: Convert to fraction form
   427,131.32/589,442.22 = 245,854.52/x
3. Step 3: Cross multiply
   427,131.32x = 589,442.22 × 245,854.52
4. Step 4: Simplify right side
   427,131.32x = 144,917,034,065.83
5. Step 5: Solve for x
   x = 144,917,034,065.83/427,131.32
6. Step 6: Final answer
   x = 339,279.81