Finding the Fourth Proportional to 13,101.60, 19,650.72 and 3,742.44

Step by Step Solution

1. Step 1: Write the proportion equation
   13,101.60 : 19,650.72 = 3,742.44 : x
2. Step 2: Convert to fraction form
   13,101.60/19,650.72 = 3,742.44/x
3. Step 3: Cross multiply
   13,101.60x = 19,650.72 × 3,742.44
4. Step 4: Simplify right side
   13,101.60x = 73,541,640.56
5. Step 5: Solve for x
   x = 73,541,640.56/13,101.60
6. Step 6: Final answer
   x = 5,613.18