Finding the Fourth Proportional to 140,901, 194,463.27 and 87,203.31

Step by Step Solution

1. Step 1: Write the proportion equation
   140,901 : 194,463.27 = 87,203.31 : x
2. Step 2: Convert to fraction form
   140,901/194,463.27 = 87,203.31/x
3. Step 3: Cross multiply
   140,901x = 194,463.27 × 87,203.31
4. Step 4: Simplify right side
   140,901x = 16,957,840,817.42
5. Step 5: Solve for x
   x = 16,957,840,817.42/140,901
6. Step 6: Final answer
   x = 120,352.88