Finding the Fourth Proportional to 196,748.56, 295,123.62 and 72,089.56

Step by Step Solution

1. Step 1: Write the proportion equation
   196,748.56 : 295,123.62 = 72,089.56 : x
2. Step 2: Convert to fraction form
   196,748.56/295,123.62 = 72,089.56/x
3. Step 3: Cross multiply
   196,748.56x = 295,123.62 × 72,089.56
4. Step 4: Simplify right side
   196,748.56x = 21,275,331,911.41
5. Step 5: Solve for x
   x = 21,275,331,911.41/196,748.56
6. Step 6: Final answer
   x = 108,134.63