Finding the Fourth Proportional to 25,802.01, 35,627.78 and 21,022.74

Step by Step Solution

1. Step 1: Write the proportion equation
   25,802.01 : 35,627.78 = 21,022.74 : x
2. Step 2: Convert to fraction form
   25,802.01/35,627.78 = 21,022.74/x
3. Step 3: Cross multiply
   25,802.01x = 35,627.78 × 21,022.74
4. Step 4: Simplify right side
   25,802.01x = 748,993,608.27
5. Step 5: Solve for x
   x = 748,993,608.27/25,802.01
6. Step 6: Final answer
   x = 29,028.50