Finding the Fourth Proportional to 140,921.16, 194,461.50 and 83,557.56

Step by Step Solution

1. Step 1: Write the proportion equation
   140,921.16 : 194,461.50 = 83,557.56 : x
2. Step 2: Convert to fraction form
   140,921.16/194,461.50 = 83,557.56/x
3. Step 3: Cross multiply
   140,921.16x = 194,461.50 × 83,557.56
4. Step 4: Simplify right side
   140,921.16x = 16,248,728,453.94
5. Step 5: Solve for x
   x = 16,248,728,453.94/140,921.16
6. Step 6: Final answer
   x = 115,303.68