Finding the Fourth Proportional to 7,187.97, 10,717.47 and 7,056.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,187.97 : 10,717.47 = 7,056.75 : x
2. Step 2: Convert to fraction form
   7,187.97/10,717.47 = 7,056.75/x
3. Step 3: Cross multiply
   7,187.97x = 10,717.47 × 7,056.75
4. Step 4: Simplify right side
   7,187.97x = 75,630,506.42
5. Step 5: Solve for x
   x = 75,630,506.42/7,187.97
6. Step 6: Final answer
   x = 10,521.82