Finding the Fourth Proportional to 60,048.72, 90,040.60 and 42,552.72

Step by Step Solution

1. Step 1: Write the proportion equation
   60,048.72 : 90,040.60 = 42,552.72 : x
2. Step 2: Convert to fraction form
   60,048.72/90,040.60 = 42,552.72/x
3. Step 3: Cross multiply
   60,048.72x = 90,040.60 × 42,552.72
4. Step 4: Simplify right side
   60,048.72x = 3,831,472,440.43
5. Step 5: Solve for x
   x = 3,831,472,440.43/60,048.72
6. Step 6: Final answer
   x = 63,806.06