Finding the Fourth Proportional to 112,096.16, 154,673.52 and 66,768.56

Step by Step Solution

1. Step 1: Write the proportion equation
   112,096.16 : 154,673.52 = 66,768.56 : x
2. Step 2: Convert to fraction form
   112,096.16/154,673.52 = 66,768.56/x
3. Step 3: Cross multiply
   112,096.16x = 154,673.52 × 66,768.56
4. Step 4: Simplify right side
   112,096.16x = 10,327,328,200.53
5. Step 5: Solve for x
   x = 10,327,328,200.53/112,096.16
6. Step 6: Final answer
   x = 92,129.19