Finding the Fourth Proportional to 5,653.89, 8,480.82 and 3,705.63

Step by Step Solution

1. Step 1: Write the proportion equation
   5,653.89 : 8,480.82 = 3,705.63 : x
2. Step 2: Convert to fraction form
   5,653.89/8,480.82 = 3,705.63/x
3. Step 3: Cross multiply
   5,653.89x = 8,480.82 × 3,705.63
4. Step 4: Simplify right side
   5,653.89x = 31,426,781.02
5. Step 5: Solve for x
   x = 31,426,781.02/5,653.89
6. Step 6: Final answer
   x = 5,558.44