Finding the Fourth Proportional to 21,411.64, 32,111.70 and 5,825.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,411.64 : 32,111.70 = 5,825.56 : x
2. Step 2: Convert to fraction form
   21,411.64/32,111.70 = 5,825.56/x
3. Step 3: Cross multiply
   21,411.64x = 32,111.70 × 5,825.56
4. Step 4: Simplify right side
   21,411.64x = 187,068,635.05
5. Step 5: Solve for x
   x = 187,068,635.05/21,411.64
6. Step 6: Final answer
   x = 8,736.77