Finding the Fourth Proportional to 140,908.61, 194,461.83 and 83,581.85

Step by Step Solution

1. Step 1: Write the proportion equation
   140,908.61 : 194,461.83 = 83,581.85 : x
2. Step 2: Convert to fraction form
   140,908.61/194,461.83 = 83,581.85/x
3. Step 3: Cross multiply
   140,908.61x = 194,461.83 × 83,581.85
4. Step 4: Simplify right side
   140,908.61x = 16,253,478,533.48
5. Step 5: Solve for x
   x = 16,253,478,533.48/140,908.61
6. Step 6: Final answer
   x = 115,347.66