Finding the Fourth Proportional to 585,568.91, 807,773.51 and 356,196.35

Step by Step Solution

1. Step 1: Write the proportion equation
   585,568.91 : 807,773.51 = 356,196.35 : x
2. Step 2: Convert to fraction form
   585,568.91/807,773.51 = 356,196.35/x
3. Step 3: Cross multiply
   585,568.91x = 807,773.51 × 356,196.35
4. Step 4: Simplify right side
   585,568.91x = 287,725,978,798.61
5. Step 5: Solve for x
   x = 287,725,978,798.61/585,568.91
6. Step 6: Final answer
   x = 491,361.43