Finding the Fourth Proportional to 131,081.19, 196,664.73 and 42,335.37

Step by Step Solution

1. Step 1: Write the proportion equation
   131,081.19 : 196,664.73 = 42,335.37 : x
2. Step 2: Convert to fraction form
   131,081.19/196,664.73 = 42,335.37/x
3. Step 3: Cross multiply
   131,081.19x = 196,664.73 × 42,335.37
4. Step 4: Simplify right side
   131,081.19x = 8,325,874,110.50
5. Step 5: Solve for x
   x = 8,325,874,110.50/131,081.19
6. Step 6: Final answer
   x = 63,516.92