Finding the Fourth Proportional to 60,120.42, 83,037.06 and 45,078.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,120.42 : 83,037.06 = 45,078.72 : x
2. Step 2: Convert to fraction form
   60,120.42/83,037.06 = 45,078.72/x
3. Step 3: Cross multiply
   60,120.42x = 83,037.06 × 45,078.72
4. Step 4: Simplify right side
   60,120.42x = 3,743,204,377.36
5. Step 5: Solve for x
   x = 3,743,204,377.36/60,120.42
6. Step 6: Final answer
   x = 62,261.78