Finding the Fourth Proportional to 371,087.42, 512,100.83 and 201,321.50

Step by Step Solution

1. Step 1: Write the proportion equation
   371,087.42 : 512,100.83 = 201,321.50 : x
2. Step 2: Convert to fraction form
   371,087.42/512,100.83 = 201,321.50/x
3. Step 3: Cross multiply
   371,087.42x = 512,100.83 × 201,321.50
4. Step 4: Simplify right side
   371,087.42x = 103,096,907,246.85
5. Step 5: Solve for x
   x = 103,096,907,246.85/371,087.42
6. Step 6: Final answer
   x = 277,823.77