Finding the Fourth Proportional to 5,056.72, 7,542.06 and 4,969.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,056.72 : 7,542.06 = 4,969.20 : x
2. Step 2: Convert to fraction form
   5,056.72/7,542.06 = 4,969.20/x
3. Step 3: Cross multiply
   5,056.72x = 7,542.06 × 4,969.20
4. Step 4: Simplify right side
   5,056.72x = 37,478,004.55
5. Step 5: Solve for x
   x = 37,478,004.55/5,056.72
6. Step 6: Final answer
   x = 7,411.52