Finding the Fourth Proportional to 13,119.57, 19,676.93 and 3,757.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,119.57 : 19,676.93 = 3,757.59 : x
2. Step 2: Convert to fraction form
   13,119.57/19,676.93 = 3,757.59/x
3. Step 3: Cross multiply
   13,119.57x = 19,676.93 × 3,757.59
4. Step 4: Simplify right side
   13,119.57x = 73,937,816.61
5. Step 5: Solve for x
   x = 73,937,816.61/13,119.57
6. Step 6: Final answer
   x = 5,635.69