Finding the Fourth Proportional to 11,748.17, 17,620.47 and 3,850.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,748.17 : 17,620.47 = 3,850.67 : x
2. Step 2: Convert to fraction form
   11,748.17/17,620.47 = 3,850.67/x
3. Step 3: Cross multiply
   11,748.17x = 17,620.47 × 3,850.67
4. Step 4: Simplify right side
   11,748.17x = 67,850,659.27
5. Step 5: Solve for x
   x = 67,850,659.27/11,748.17
6. Step 6: Final answer
   x = 5,775.42