Finding the Fourth Proportional to 22,980.79, 34,462.68 and 8,185.78

Step by Step Solution

1. Step 1: Write the proportion equation
   22,980.79 : 34,462.68 = 8,185.78 : x
2. Step 2: Convert to fraction form
   22,980.79/34,462.68 = 8,185.78/x
3. Step 3: Cross multiply
   22,980.79x = 34,462.68 × 8,185.78
4. Step 4: Simplify right side
   22,980.79x = 282,103,916.69
5. Step 5: Solve for x
   x = 282,103,916.69/22,980.79
6. Step 6: Final answer
   x = 12,275.64