Finding the Fourth Proportional to 22,152.96, 30,581.28 and 19,116

Step by Step Solution

1. Step 1: Write the proportion equation
   22,152.96 : 30,581.28 = 19,116 : x
2. Step 2: Convert to fraction form
   22,152.96/30,581.28 = 19,116/x
3. Step 3: Cross multiply
   22,152.96x = 30,581.28 × 19,116
4. Step 4: Simplify right side
   22,152.96x = 584,591,748.48
5. Step 5: Solve for x
   x = 584,591,748.48/22,152.96
6. Step 6: Final answer
   x = 26,388.88