Finding the Fourth Proportional to 131,111.20, 196,667.88 and 37,619.92

Step by Step Solution

1. Step 1: Write the proportion equation
   131,111.20 : 196,667.88 = 37,619.92 : x
2. Step 2: Convert to fraction form
   131,111.20/196,667.88 = 37,619.92/x
3. Step 3: Cross multiply
   131,111.20x = 196,667.88 × 37,619.92
4. Step 4: Simplify right side
   131,111.20x = 7,398,629,912.17
5. Step 5: Solve for x
   x = 7,398,629,912.17/131,111.20
6. Step 6: Final answer
   x = 56,430.19