Finding the Fourth Proportional to 7,570.22, 10,446.18 and 5,581.85

Step by Step Solution

1. Step 1: Write the proportion equation
   7,570.22 : 10,446.18 = 5,581.85 : x
2. Step 2: Convert to fraction form
   7,570.22/10,446.18 = 5,581.85/x
3. Step 3: Cross multiply
   7,570.22x = 10,446.18 × 5,581.85
4. Step 4: Simplify right side
   7,570.22x = 58,309,009.83
5. Step 5: Solve for x
   x = 58,309,009.83/7,570.22
6. Step 6: Final answer
   x = 7,702.42