Finding the Fourth Proportional to 11,711.82, 17,557.81 and 5,133.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,711.82 : 17,557.81 = 5,133.02 : x
2. Step 2: Convert to fraction form
   11,711.82/17,557.81 = 5,133.02/x
3. Step 3: Cross multiply
   11,711.82x = 17,557.81 × 5,133.02
4. Step 4: Simplify right side
   11,711.82x = 90,124,589.89
5. Step 5: Solve for x
   x = 90,124,589.89/11,711.82
6. Step 6: Final answer
   x = 7,695.18