Finding the Fourth Proportional to 21,714.51, 32,560.83 and 10,604.55

Step by Step Solution

1. Step 1: Write the proportion equation
   21,714.51 : 32,560.83 = 10,604.55 : x
2. Step 2: Convert to fraction form
   21,714.51/32,560.83 = 10,604.55/x
3. Step 3: Cross multiply
   21,714.51x = 32,560.83 × 10,604.55
4. Step 4: Simplify right side
   21,714.51x = 345,292,949.78
5. Step 5: Solve for x
   x = 345,292,949.78/21,714.51
6. Step 6: Final answer
   x = 15,901.48