Finding the Fourth Proportional to 11,023.02, 15,216.12 and 7,667.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,023.02 : 15,216.12 = 7,667.78 : x
2. Step 2: Convert to fraction form
   11,023.02/15,216.12 = 7,667.78/x
3. Step 3: Cross multiply
   11,023.02x = 15,216.12 × 7,667.78
4. Step 4: Simplify right side
   11,023.02x = 116,673,784.53
5. Step 5: Solve for x
   x = 116,673,784.53/11,023.02
6. Step 6: Final answer
   x = 10,584.56