Finding the Fourth Proportional to 468,978.02, 647,151.33 and 265,046.42

Step by Step Solution

1. Step 1: Write the proportion equation
   468,978.02 : 647,151.33 = 265,046.42 : x
2. Step 2: Convert to fraction form
   468,978.02/647,151.33 = 265,046.42/x
3. Step 3: Cross multiply
   468,978.02x = 647,151.33 × 265,046.42
4. Step 4: Simplify right side
   468,978.02x = 171,525,143,214.74
5. Step 5: Solve for x
   x = 171,525,143,214.74/468,978.02
6. Step 6: Final answer
   x = 365,742.39