Finding the Fourth Proportional to 535,271, 738,673.98 and 296,807

Step by Step Solution

1. Step 1: Write the proportion equation
   535,271 : 738,673.98 = 296,807 : x
2. Step 2: Convert to fraction form
   535,271/738,673.98 = 296,807/x
3. Step 3: Cross multiply
   535,271x = 738,673.98 × 296,807
4. Step 4: Simplify right side
   535,271x = 219,243,607,981.86
5. Step 5: Solve for x
   x = 219,243,607,981.86/535,271
6. Step 6: Final answer
   x = 409,593.66