Finding the Fourth Proportional to 357,910.82, 536,838.30 and 208,055.52

Step by Step Solution

1. Step 1: Write the proportion equation
   357,910.82 : 536,838.30 = 208,055.52 : x
2. Step 2: Convert to fraction form
   357,910.82/536,838.30 = 208,055.52/x
3. Step 3: Cross multiply
   357,910.82x = 536,838.30 × 208,055.52
4. Step 4: Simplify right side
   357,910.82x = 111,692,171,662.42
5. Step 5: Solve for x
   x = 111,692,171,662.42/357,910.82
6. Step 6: Final answer
   x = 312,067.04