Finding the Fourth Proportional to 33,270.72, 45,922.86 and 19,128.12

Step by Step Solution

1. Step 1: Write the proportion equation
   33,270.72 : 45,922.86 = 19,128.12 : x
2. Step 2: Convert to fraction form
   33,270.72/45,922.86 = 19,128.12/x
3. Step 3: Cross multiply
   33,270.72x = 45,922.86 × 19,128.12
4. Step 4: Simplify right side
   33,270.72x = 878,417,976.82
5. Step 5: Solve for x
   x = 878,417,976.82/33,270.72
6. Step 6: Final answer
   x = 26,402.13