Finding the Fourth Proportional to 773,080.02, 1,066,535.46 and 518,513.22

Step by Step Solution

1. Step 1: Write the proportion equation
   773,080.02 : 1,066,535.46 = 518,513.22 : x
2. Step 2: Convert to fraction form
   773,080.02/1,066,535.46 = 518,513.22/x
3. Step 3: Cross multiply
   773,080.02x = 1,066,535.46 × 518,513.22
4. Step 4: Simplify right side
   773,080.02x = 553,012,735,608.78
5. Step 5: Solve for x
   x = 553,012,735,608.78/773,080.02
6. Step 6: Final answer
   x = 715,336.99