Finding the Fourth Proportional to 803,196.42, 1,205,162.37 and 347,926.86

Step by Step Solution

1. Step 1: Write the proportion equation
   803,196.42 : 1,205,162.37 = 347,926.86 : x
2. Step 2: Convert to fraction form
   803,196.42/1,205,162.37 = 347,926.86/x
3. Step 3: Cross multiply
   803,196.42x = 1,205,162.37 × 347,926.86
4. Step 4: Simplify right side
   803,196.42x = 419,308,359,184.26
5. Step 5: Solve for x
   x = 419,308,359,184.26/803,196.42
6. Step 6: Final answer
   x = 522,049.59