Finding the Fourth Proportional to 11,012.76, 16,525.02 and 5,169.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,012.76 : 16,525.02 = 5,169.42 : x
2. Step 2: Convert to fraction form
   11,012.76/16,525.02 = 5,169.42/x
3. Step 3: Cross multiply
   11,012.76x = 16,525.02 × 5,169.42
4. Step 4: Simplify right side
   11,012.76x = 85,424,768.89
5. Step 5: Solve for x
   x = 85,424,768.89/11,012.76
6. Step 6: Final answer
   x = 7,756.89