Finding the Fourth Proportional to 388,944.82, 536,743.86 and 210,096.82

Step by Step Solution

1. Step 1: Write the proportion equation
   388,944.82 : 536,743.86 = 210,096.82 : x
2. Step 2: Convert to fraction form
   388,944.82/536,743.86 = 210,096.82/x
3. Step 3: Cross multiply
   388,944.82x = 536,743.86 × 210,096.82
4. Step 4: Simplify right side
   388,944.82x = 112,768,178,140.53
5. Step 5: Solve for x
   x = 112,768,178,140.53/388,944.82
6. Step 6: Final answer
   x = 289,933.62