Finding the Fourth Proportional to 11,620.50, 17,438.91 and 5,048.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,620.50 : 17,438.91 = 5,048.52 : x
2. Step 2: Convert to fraction form
   11,620.50/17,438.91 = 5,048.52/x
3. Step 3: Cross multiply
   11,620.50x = 17,438.91 × 5,048.52
4. Step 4: Simplify right side
   11,620.50x = 88,040,685.91
5. Step 5: Solve for x
   x = 88,040,685.91/11,620.50
6. Step 6: Final answer
   x = 7,576.33