Finding the Fourth Proportional to 5,559.30, 7,672.86 and 3,572.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,559.30 : 7,672.86 = 3,572.34 : x
2. Step 2: Convert to fraction form
   5,559.30/7,672.86 = 3,572.34/x
3. Step 3: Cross multiply
   5,559.30x = 7,672.86 × 3,572.34
4. Step 4: Simplify right side
   5,559.30x = 27,410,064.69
5. Step 5: Solve for x
   x = 27,410,064.69/5,559.30
6. Step 6: Final answer
   x = 4,930.49