Finding the Fourth Proportional to 765,086.34, 1,147,137.42 and 365,718.27

Step by Step Solution

1. Step 1: Write the proportion equation
   765,086.34 : 1,147,137.42 = 365,718.27 : x
2. Step 2: Convert to fraction form
   765,086.34/1,147,137.42 = 365,718.27/x
3. Step 3: Cross multiply
   765,086.34x = 1,147,137.42 × 365,718.27
4. Step 4: Simplify right side
   765,086.34x = 419,529,112,694.66
5. Step 5: Solve for x
   x = 419,529,112,694.66/765,086.34
6. Step 6: Final answer
   x = 548,342.18