Finding the Fourth Proportional to 7,127.28, 10,682.25 and 5,047.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,127.28 : 10,682.25 = 5,047.89 : x
2. Step 2: Convert to fraction form
   7,127.28/10,682.25 = 5,047.89/x
3. Step 3: Cross multiply
   7,127.28x = 10,682.25 × 5,047.89
4. Step 4: Simplify right side
   7,127.28x = 53,922,822.95
5. Step 5: Solve for x
   x = 53,922,822.95/7,127.28
6. Step 6: Final answer
   x = 7,565.69