Finding the Fourth Proportional to 6,091.20, 8,404.56 and 3,572.64

Step by Step Solution

1. Step 1: Write the proportion equation
   6,091.20 : 8,404.56 = 3,572.64 : x
2. Step 2: Convert to fraction form
   6,091.20/8,404.56 = 3,572.64/x
3. Step 3: Cross multiply
   6,091.20x = 8,404.56 × 3,572.64
4. Step 4: Simplify right side
   6,091.20x = 30,026,467.24
5. Step 5: Solve for x
   x = 30,026,467.24/6,091.20
6. Step 6: Final answer
   x = 4,929.48