Finding the Fourth Proportional to 10,072.89, 15,114.60 and 4,813.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.89 : 15,114.60 = 4,813.83 : x
2. Step 2: Convert to fraction form
   10,072.89/15,114.60 = 4,813.83/x
3. Step 3: Cross multiply
   10,072.89x = 15,114.60 × 4,813.83
4. Step 4: Simplify right side
   10,072.89x = 72,759,114.92
5. Step 5: Solve for x
   x = 72,759,114.92/10,072.89
6. Step 6: Final answer
   x = 7,223.26