Finding the Fourth Proportional to 13,144.25, 19,713.43 and 3,782.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,144.25 : 19,713.43 = 3,782.18 : x
2. Step 2: Convert to fraction form
   13,144.25/19,713.43 = 3,782.18/x
3. Step 3: Cross multiply
   13,144.25x = 19,713.43 × 3,782.18
4. Step 4: Simplify right side
   13,144.25x = 74,559,780.51
5. Step 5: Solve for x
   x = 74,559,780.51/13,144.25
6. Step 6: Final answer
   x = 5,672.43