Finding the Fourth Proportional to 13,113.39, 19,667.05 and 3,751.67

Step by Step Solution

1. Step 1: Write the proportion equation
   13,113.39 : 19,667.05 = 3,751.67 : x
2. Step 2: Convert to fraction form
   13,113.39/19,667.05 = 3,751.67/x
3. Step 3: Cross multiply
   13,113.39x = 19,667.05 × 3,751.67
4. Step 4: Simplify right side
   13,113.39x = 73,784,231.74
5. Step 5: Solve for x
   x = 73,784,231.74/13,113.39
6. Step 6: Final answer
   x = 5,626.63