Finding the Fourth Proportional to 120,052.15, 180,191.22 and 60,930.25

Step by Step Solution

1. Step 1: Write the proportion equation
   120,052.15 : 180,191.22 = 60,930.25 : x
2. Step 2: Convert to fraction form
   120,052.15/180,191.22 = 60,930.25/x
3. Step 3: Cross multiply
   120,052.15x = 180,191.22 × 60,930.25
4. Step 4: Simplify right side
   120,052.15x = 10,979,096,082.41
5. Step 5: Solve for x
   x = 10,979,096,082.41/120,052.15
6. Step 6: Final answer
   x = 91,452.72