Finding the Fourth Proportional to 425,087.58, 636,931.52 and 297,016.86

Step by Step Solution

1. Step 1: Write the proportion equation
   425,087.58 : 636,931.52 = 297,016.86 : x
2. Step 2: Convert to fraction form
   425,087.58/636,931.52 = 297,016.86/x
3. Step 3: Cross multiply
   425,087.58x = 636,931.52 × 297,016.86
4. Step 4: Simplify right side
   425,087.58x = 189,179,400,105.43
5. Step 5: Solve for x
   x = 189,179,400,105.43/425,087.58
6. Step 6: Final answer
   x = 445,036.29