Finding the Fourth Proportional to 140,997.06, 194,571.18 and 83,670.42

Step by Step Solution

1. Step 1: Write the proportion equation
   140,997.06 : 194,571.18 = 83,670.42 : x
2. Step 2: Convert to fraction form
   140,997.06/194,571.18 = 83,670.42/x
3. Step 3: Cross multiply
   140,997.06x = 194,571.18 × 83,670.42
4. Step 4: Simplify right side
   140,997.06x = 16,279,852,350.50
5. Step 5: Solve for x
   x = 16,279,852,350.50/140,997.06
6. Step 6: Final answer
   x = 115,462.35