Finding the Fourth Proportional to 19,411.83, 26,785.05 and 10,912.83

Step by Step Solution

1. Step 1: Write the proportion equation
   19,411.83 : 26,785.05 = 10,912.83 : x
2. Step 2: Convert to fraction form
   19,411.83/26,785.05 = 10,912.83/x
3. Step 3: Cross multiply
   19,411.83x = 26,785.05 × 10,912.83
4. Step 4: Simplify right side
   19,411.83x = 292,300,555.82
5. Step 5: Solve for x
   x = 292,300,555.82/19,411.83
6. Step 6: Final answer
   x = 15,057.86