Finding the Fourth Proportional to 13,126.48, 19,686.52 and 3,764.29

Step by Step Solution

1. Step 1: Write the proportion equation
   13,126.48 : 19,686.52 = 3,764.29 : x
2. Step 2: Convert to fraction form
   13,126.48/19,686.52 = 3,764.29/x
3. Step 3: Cross multiply
   13,126.48x = 19,686.52 × 3,764.29
4. Step 4: Simplify right side
   13,126.48x = 74,105,770.37
5. Step 5: Solve for x
   x = 74,105,770.37/13,126.48
6. Step 6: Final answer
   x = 5,645.52