Finding the Fourth Proportional to 22,345.95, 30,837.72 and 12,275.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,345.95 : 30,837.72 = 12,275.29 : x
2. Step 2: Convert to fraction form
   22,345.95/30,837.72 = 12,275.29/x
3. Step 3: Cross multiply
   22,345.95x = 30,837.72 × 12,275.29
4. Step 4: Simplify right side
   22,345.95x = 378,541,955.94
5. Step 5: Solve for x
   x = 378,541,955.94/22,345.95
6. Step 6: Final answer
   x = 16,940.07