Finding the Fourth Proportional to 131,284.24, 196,924.96 and 89,059.76

Step by Step Solution

1. Step 1: Write the proportion equation
   131,284.24 : 196,924.96 = 89,059.76 : x
2. Step 2: Convert to fraction form
   131,284.24/196,924.96 = 89,059.76/x
3. Step 3: Cross multiply
   131,284.24x = 196,924.96 × 89,059.76
4. Step 4: Simplify right side
   131,284.24x = 17,538,089,675.61
5. Step 5: Solve for x
   x = 17,538,089,675.61/131,284.24
6. Step 6: Final answer
   x = 133,588.69