Finding the Fourth Proportional to 13,113.96, 19,667.94 and 3,753.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,113.96 : 19,667.94 = 3,753.80 : x
2. Step 2: Convert to fraction form
   13,113.96/19,667.94 = 3,753.80/x
3. Step 3: Cross multiply
   13,113.96x = 19,667.94 × 3,753.80
4. Step 4: Simplify right side
   13,113.96x = 73,829,513.17
5. Step 5: Solve for x
   x = 73,829,513.17/13,113.96
6. Step 6: Final answer
   x = 5,629.84