Finding the Fourth Proportional to 21,618.80, 32,425.52 and 5,825.07

Step by Step Solution

1. Step 1: Write the proportion equation
   21,618.80 : 32,425.52 = 5,825.07 : x
2. Step 2: Convert to fraction form
   21,618.80/32,425.52 = 5,825.07/x
3. Step 3: Cross multiply
   21,618.80x = 32,425.52 × 5,825.07
4. Step 4: Simplify right side
   21,618.80x = 188,880,916.51
5. Step 5: Solve for x
   x = 188,880,916.51/21,618.80
6. Step 6: Final answer
   x = 8,736.88