Finding the Fourth Proportional to 6,670.25, 9,201.50 and 5,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,670.25 : 9,201.50 = 5,412.72 : x
2. Step 2: Convert to fraction form
   6,670.25/9,201.50 = 5,412.72/x
3. Step 3: Cross multiply
   6,670.25x = 9,201.50 × 5,412.72
4. Step 4: Simplify right side
   6,670.25x = 49,805,170.82
5. Step 5: Solve for x
   x = 49,805,170.82/6,670.25
6. Step 6: Final answer
   x = 7,466.76