Finding the Fourth Proportional to 22,345.71, 30,837.86 and 12,275.07

Step by Step Solution

1. Step 1: Write the proportion equation
   22,345.71 : 30,837.86 = 12,275.07 : x
2. Step 2: Convert to fraction form
   22,345.71/30,837.86 = 12,275.07/x
3. Step 3: Cross multiply
   22,345.71x = 30,837.86 × 12,275.07
4. Step 4: Simplify right side
   22,345.71x = 378,536,828.77
5. Step 5: Solve for x
   x = 378,536,828.77/22,345.71
6. Step 6: Final answer
   x = 16,940.02