Finding the Fourth Proportional to 8,777.28, 12,111.12 and 5,050.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,777.28 : 12,111.12 = 5,050.56 : x
2. Step 2: Convert to fraction form
   8,777.28/12,111.12 = 5,050.56/x
3. Step 3: Cross multiply
   8,777.28x = 12,111.12 × 5,050.56
4. Step 4: Simplify right side
   8,777.28x = 61,167,938.23
5. Step 5: Solve for x
   x = 61,167,938.23/8,777.28
6. Step 6: Final answer
   x = 6,968.89