Finding the Fourth Proportional to 11,638.62, 17,454.69 and 4,711.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,638.62 : 17,454.69 = 4,711.50 : x
2. Step 2: Convert to fraction form
   11,638.62/17,454.69 = 4,711.50/x
3. Step 3: Cross multiply
   11,638.62x = 17,454.69 × 4,711.50
4. Step 4: Simplify right side
   11,638.62x = 82,237,771.94
5. Step 5: Solve for x
   x = 82,237,771.94/11,638.62
6. Step 6: Final answer
   x = 7,065.94