Finding the Fourth Proportional to 3,622.32, 4,989.80 and 2,624.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,622.32 : 4,989.80 = 2,624.72 : x
2. Step 2: Convert to fraction form
   3,622.32/4,989.80 = 2,624.72/x
3. Step 3: Cross multiply
   3,622.32x = 4,989.80 × 2,624.72
4. Step 4: Simplify right side
   3,622.32x = 13,096,827.86
5. Step 5: Solve for x
   x = 13,096,827.86/3,622.32
6. Step 6: Final answer
   x = 3,615.59