Finding the Fourth Proportional to 626,565.83, 864,661.72 and 340,085.98

Step by Step Solution

1. Step 1: Write the proportion equation
   626,565.83 : 864,661.72 = 340,085.98 : x
2. Step 2: Convert to fraction form
   626,565.83/864,661.72 = 340,085.98/x
3. Step 3: Cross multiply
   626,565.83x = 864,661.72 × 340,085.98
4. Step 4: Simplify right side
   626,565.83x = 294,059,324,091.38
5. Step 5: Solve for x
   x = 294,059,324,091.38/626,565.83
6. Step 6: Final answer
   x = 469,319.12