Finding the Fourth Proportional to 1,259.82, 1,887.71 and 710.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259.82 : 1,887.71 = 710.37 : x
2. Step 2: Convert to fraction form
   1,259.82/1,887.71 = 710.37/x
3. Step 3: Cross multiply
   1,259.82x = 1,887.71 × 710.37
4. Step 4: Simplify right side
   1,259.82x = 1,340,969.00
5. Step 5: Solve for x
   x = 1,340,969.00/1,259.82
6. Step 6: Final answer
   x = 1,064.41