Finding the Fourth Proportional to 875,078, 1,207,608.12 and 472,670

Step by Step Solution

1. Step 1: Write the proportion equation
   875,078 : 1,207,608.12 = 472,670 : x
2. Step 2: Convert to fraction form
   875,078/1,207,608.12 = 472,670/x
3. Step 3: Cross multiply
   875,078x = 1,207,608.12 × 472,670
4. Step 4: Simplify right side
   875,078x = 570,800,130,080.40
5. Step 5: Solve for x
   x = 570,800,130,080.40/875,078
6. Step 6: Final answer
   x = 652,284.86