Finding the Fourth Proportional to 3,109.29, 4,662.47 and 1,259.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,109.29 : 4,662.47 = 1,259.00 : x
2. Step 2: Convert to fraction form
   3,109.29/4,662.47 = 1,259.00/x
3. Step 3: Cross multiply
   3,109.29x = 4,662.47 × 1,259.00
4. Step 4: Simplify right side
   3,109.29x = 5,870,041.22
5. Step 5: Solve for x
   x = 5,870,041.22/3,109.29
6. Step 6: Final answer
   x = 1,887.90