Finding the Fourth Proportional to 9,927.72, 13,700.27 and 5,451.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,927.72 : 13,700.27 = 5,451.76 : x
2. Step 2: Convert to fraction form
   9,927.72/13,700.27 = 5,451.76/x
3. Step 3: Cross multiply
   9,927.72x = 13,700.27 × 5,451.76
4. Step 4: Simplify right side
   9,927.72x = 74,690,653.26
5. Step 5: Solve for x
   x = 74,690,653.26/9,927.72
6. Step 6: Final answer
   x = 7,523.44