Finding the Fourth Proportional to 608,200.86, 839,302.38 and 336,261.72

Step by Step Solution

1. Step 1: Write the proportion equation
   608,200.86 : 839,302.38 = 336,261.72 : x
2. Step 2: Convert to fraction form
   608,200.86/839,302.38 = 336,261.72/x
3. Step 3: Cross multiply
   608,200.86x = 839,302.38 × 336,261.72
4. Step 4: Simplify right side
   608,200.86x = 282,225,261,898.89
5. Step 5: Solve for x
   x = 282,225,261,898.89/608,200.86
6. Step 6: Final answer
   x = 464,032.99