Finding the Fourth Proportional to 6,548.72, 9,031.06 and 5,054.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,548.72 : 9,031.06 = 5,054.28 : x
2. Step 2: Convert to fraction form
   6,548.72/9,031.06 = 5,054.28/x
3. Step 3: Cross multiply
   6,548.72x = 9,031.06 × 5,054.28
4. Step 4: Simplify right side
   6,548.72x = 45,645,505.94
5. Step 5: Solve for x
   x = 45,645,505.94/6,548.72
6. Step 6: Final answer
   x = 6,970.14