Finding the Fourth Proportional to 5,630.72, 7,769.32 and 3,533.90

Step by Step Solution

1. Step 1: Write the proportion equation
   5,630.72 : 7,769.32 = 3,533.90 : x
2. Step 2: Convert to fraction form
   5,630.72/7,769.32 = 3,533.90/x
3. Step 3: Cross multiply
   5,630.72x = 7,769.32 × 3,533.90
4. Step 4: Simplify right side
   5,630.72x = 27,455,952.27
5. Step 5: Solve for x
   x = 27,455,952.27/5,630.72
6. Step 6: Final answer
   x = 4,876.10