Finding the Fourth Proportional to 2,903.69, 4,355.87 and 1,055.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,903.69 : 4,355.87 = 1,055.67 : x
2. Step 2: Convert to fraction form
   2,903.69/4,355.87 = 1,055.67/x
3. Step 3: Cross multiply
   2,903.69x = 4,355.87 × 1,055.67
4. Step 4: Simplify right side
   2,903.69x = 4,598,356.00
5. Step 5: Solve for x
   x = 4,598,356.00/2,903.69
6. Step 6: Final answer
   x = 1,583.63