Finding the Fourth Proportional to 11,002.74, 16,506.53 and 5,156.16

Step by Step Solution

1. Step 1: Write the proportion equation
   11,002.74 : 16,506.53 = 5,156.16 : x
2. Step 2: Convert to fraction form
   11,002.74/16,506.53 = 5,156.16/x
3. Step 3: Cross multiply
   11,002.74x = 16,506.53 × 5,156.16
4. Step 4: Simplify right side
   11,002.74x = 85,110,270.38
5. Step 5: Solve for x
   x = 85,110,270.38/11,002.74
6. Step 6: Final answer
   x = 7,735.37