Finding the Fourth Proportional to 131,270.70, 196,982.43 and 55,364.52

Step by Step Solution

1. Step 1: Write the proportion equation
   131,270.70 : 196,982.43 = 55,364.52 : x
2. Step 2: Convert to fraction form
   131,270.70/196,982.43 = 55,364.52/x
3. Step 3: Cross multiply
   131,270.70x = 196,982.43 × 55,364.52
4. Step 4: Simplify right side
   131,270.70x = 10,905,837,685.38
5. Step 5: Solve for x
   x = 10,905,837,685.38/131,270.70
6. Step 6: Final answer
   x = 83,078.99