Finding the Fourth Proportional to 3,713.58, 5,564.88 and 3,440.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,713.58 : 5,564.88 = 3,440.22 : x
2. Step 2: Convert to fraction form
   3,713.58/5,564.88 = 3,440.22/x
3. Step 3: Cross multiply
   3,713.58x = 5,564.88 × 3,440.22
4. Step 4: Simplify right side
   3,713.58x = 19,144,411.47
5. Step 5: Solve for x
   x = 19,144,411.47/3,713.58
6. Step 6: Final answer
   x = 5,155.24