Finding the Fourth Proportional to 3,706.87, 5,558.90 and 1,073.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706.87 : 5,558.90 = 1,073.50 : x
2. Step 2: Convert to fraction form
   3,706.87/5,558.90 = 1,073.50/x
3. Step 3: Cross multiply
   3,706.87x = 5,558.90 × 1,073.50
4. Step 4: Simplify right side
   3,706.87x = 5,967,491.15
5. Step 5: Solve for x
   x = 5,967,491.15/3,706.87
6. Step 6: Final answer
   x = 1,609.85