Finding the Fourth Proportional to 10,060.56, 15,090.78 and 5,472.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,060.56 : 15,090.78 = 5,472.72 : x
2. Step 2: Convert to fraction form
   10,060.56/15,090.78 = 5,472.72/x
3. Step 3: Cross multiply
   10,060.56x = 15,090.78 × 5,472.72
4. Step 4: Simplify right side
   10,060.56x = 82,587,613.52
5. Step 5: Solve for x
   x = 82,587,613.52/10,060.56
6. Step 6: Final answer
   x = 8,209.05