Finding the Fourth Proportional to 707,480.32, 1,061,414.72 and 208,844.16

Step by Step Solution

1. Step 1: Write the proportion equation
   707,480.32 : 1,061,414.72 = 208,844.16 : x
2. Step 2: Convert to fraction form
   707,480.32/1,061,414.72 = 208,844.16/x
3. Step 3: Cross multiply
   707,480.32x = 1,061,414.72 × 208,844.16
4. Step 4: Simplify right side
   707,480.32x = 221,670,265,610.04
5. Step 5: Solve for x
   x = 221,670,265,610.04/707,480.32
6. Step 6: Final answer
   x = 313,323.58