Finding the Fourth Proportional to 22,453.06, 33,657.57 and 19,128.82

Step by Step Solution

1. Step 1: Write the proportion equation
   22,453.06 : 33,657.57 = 19,128.82 : x
2. Step 2: Convert to fraction form
   22,453.06/33,657.57 = 19,128.82/x
3. Step 3: Cross multiply
   22,453.06x = 33,657.57 × 19,128.82
4. Step 4: Simplify right side
   22,453.06x = 643,829,598.17
5. Step 5: Solve for x
   x = 643,829,598.17/22,453.06
6. Step 6: Final answer
   x = 28,674.47