Finding the Fourth Proportional to 21,235.59, 31,850.93 and 5,654.43

Step by Step Solution

1. Step 1: Write the proportion equation
   21,235.59 : 31,850.93 = 5,654.43 : x
2. Step 2: Convert to fraction form
   21,235.59/31,850.93 = 5,654.43/x
3. Step 3: Cross multiply
   21,235.59x = 31,850.93 × 5,654.43
4. Step 4: Simplify right side
   21,235.59x = 180,098,868.26
5. Step 5: Solve for x
   x = 180,098,868.26/21,235.59
6. Step 6: Final answer
   x = 8,480.99