Finding the Fourth Proportional to 11,916.29, 17,871 and 4,800.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,916.29 : 17,871 = 4,800.50 : x
2. Step 2: Convert to fraction form
   11,916.29/17,871 = 4,800.50/x
3. Step 3: Cross multiply
   11,916.29x = 17,871 × 4,800.50
4. Step 4: Simplify right side
   11,916.29x = 85,789,735.50
5. Step 5: Solve for x
   x = 85,789,735.50/11,916.29
6. Step 6: Final answer
   x = 7,199.37