Finding the Fourth Proportional to 131,086.42, 196,323.45 and 120,501.34

Step by Step Solution

1. Step 1: Write the proportion equation
   131,086.42 : 196,323.45 = 120,501.34 : x
2. Step 2: Convert to fraction form
   131,086.42/196,323.45 = 120,501.34/x
3. Step 3: Cross multiply
   131,086.42x = 196,323.45 × 120,501.34
4. Step 4: Simplify right side
   131,086.42x = 23,657,238,798.42
5. Step 5: Solve for x
   x = 23,657,238,798.42/131,086.42
6. Step 6: Final answer
   x = 180,470.55