Finding the Fourth Proportional to 13,112.39, 19,665.48 and 3,752.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,112.39 : 19,665.48 = 3,752.12 : x
2. Step 2: Convert to fraction form
   13,112.39/19,665.48 = 3,752.12/x
3. Step 3: Cross multiply
   13,112.39x = 19,665.48 × 3,752.12
4. Step 4: Simplify right side
   13,112.39x = 73,787,240.82
5. Step 5: Solve for x
   x = 73,787,240.82/13,112.39
6. Step 6: Final answer
   x = 5,627.29