Finding the Fourth Proportional to 5,595.56, 7,721.76 and 3,500.84

Step by Step Solution

1. Step 1: Write the proportion equation
   5,595.56 : 7,721.76 = 3,500.84 : x
2. Step 2: Convert to fraction form
   5,595.56/7,721.76 = 3,500.84/x
3. Step 3: Cross multiply
   5,595.56x = 7,721.76 × 3,500.84
4. Step 4: Simplify right side
   5,595.56x = 27,032,646.28
5. Step 5: Solve for x
   x = 27,032,646.28/5,595.56
6. Step 6: Final answer
   x = 4,831.09