Finding the Fourth Proportional to 21,782.76, 30,101.07 and 17,802.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,782.76 : 30,101.07 = 17,802.42 : x
2. Step 2: Convert to fraction form
   21,782.76/30,101.07 = 17,802.42/x
3. Step 3: Cross multiply
   21,782.76x = 30,101.07 × 17,802.42
4. Step 4: Simplify right side
   21,782.76x = 535,871,890.59
5. Step 5: Solve for x
   x = 535,871,890.59/21,782.76
6. Step 6: Final answer
   x = 24,600.73