Finding the Fourth Proportional to 13,118.98, 19,675.38 and 3,758.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,118.98 : 19,675.38 = 3,758.86 : x
2. Step 2: Convert to fraction form
   13,118.98/19,675.38 = 3,758.86/x
3. Step 3: Cross multiply
   13,118.98x = 19,675.38 × 3,758.86
4. Step 4: Simplify right side
   13,118.98x = 73,956,998.87
5. Step 5: Solve for x
   x = 73,956,998.87/13,118.98
6. Step 6: Final answer
   x = 5,637.40