Finding the Fourth Proportional to 12,483.05, 17,222.42 and 7,767.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,483.05 : 17,222.42 = 7,767.02 : x
2. Step 2: Convert to fraction form
   12,483.05/17,222.42 = 7,767.02/x
3. Step 3: Cross multiply
   12,483.05x = 17,222.42 × 7,767.02
4. Step 4: Simplify right side
   12,483.05x = 133,766,943.06
5. Step 5: Solve for x
   x = 133,766,943.06/12,483.05
6. Step 6: Final answer
   x = 10,715.89