Finding the Fourth Proportional to 6,091.22, 8,402.34 and 3,572.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,091.22 : 8,402.34 = 3,572.72 : x
2. Step 2: Convert to fraction form
   6,091.22/8,402.34 = 3,572.72/x
3. Step 3: Cross multiply
   6,091.22x = 8,402.34 × 3,572.72
4. Step 4: Simplify right side
   6,091.22x = 30,019,208.16
5. Step 5: Solve for x
   x = 30,019,208.16/6,091.22
6. Step 6: Final answer
   x = 4,928.28