Finding the Fourth Proportional to 3,719.00, 5,578.43 and 3,137.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,719.00 : 5,578.43 = 3,137.72 : x
2. Step 2: Convert to fraction form
   3,719.00/5,578.43 = 3,137.72/x
3. Step 3: Cross multiply
   3,719.00x = 5,578.43 × 3,137.72
4. Step 4: Simplify right side
   3,719.00x = 17,503,507.80
5. Step 5: Solve for x
   x = 17,503,507.80/3,719.00
6. Step 6: Final answer
   x = 4,706.52