Finding the Fourth Proportional to 5,383.89, 7,435.40 and 3,709.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,383.89 : 7,435.40 = 3,709.62 : x
2. Step 2: Convert to fraction form
   5,383.89/7,435.40 = 3,709.62/x
3. Step 3: Cross multiply
   5,383.89x = 7,435.40 × 3,709.62
4. Step 4: Simplify right side
   5,383.89x = 27,582,490.00
5. Step 5: Solve for x
   x = 27,582,490.00/5,383.89
6. Step 6: Final answer
   x = 5,123.15