Finding the Fourth Proportional to 11,711.78, 16,157.72 and 7,462.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,711.78 : 16,157.72 = 7,462.08 : x
2. Step 2: Convert to fraction form
   11,711.78/16,157.72 = 7,462.08/x
3. Step 3: Cross multiply
   11,711.78x = 16,157.72 × 7,462.08
4. Step 4: Simplify right side
   11,711.78x = 120,570,161.95
5. Step 5: Solve for x
   x = 120,570,161.95/11,711.78
6. Step 6: Final answer
   x = 10,294.78