Finding the Fourth Proportional to 11,642.88, 17,461.06 and 4,715.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,642.88 : 17,461.06 = 4,715.76 : x
2. Step 2: Convert to fraction form
   11,642.88/17,461.06 = 4,715.76/x
3. Step 3: Cross multiply
   11,642.88x = 17,461.06 × 4,715.76
4. Step 4: Simplify right side
   11,642.88x = 82,342,168.31
5. Step 5: Solve for x
   x = 82,342,168.31/11,642.88
6. Step 6: Final answer
   x = 7,072.32