Finding the Fourth Proportional to 140,705.37, 194,192.17 and 83,340.16

Step by Step Solution

1. Step 1: Write the proportion equation
   140,705.37 : 194,192.17 = 83,340.16 : x
2. Step 2: Convert to fraction form
   140,705.37/194,192.17 = 83,340.16/x
3. Step 3: Cross multiply
   140,705.37x = 194,192.17 × 83,340.16
4. Step 4: Simplify right side
   140,705.37x = 16,184,005,824.72
5. Step 5: Solve for x
   x = 16,184,005,824.72/140,705.37
6. Step 6: Final answer
   x = 115,020.53