Finding the Fourth Proportional to 1,955.81, 2,699.89 and 1,248.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.81 : 2,699.89 = 1,248.59 : x
2. Step 2: Convert to fraction form
   1,955.81/2,699.89 = 1,248.59/x
3. Step 3: Cross multiply
   1,955.81x = 2,699.89 × 1,248.59
4. Step 4: Simplify right side
   1,955.81x = 3,371,039.03
5. Step 5: Solve for x
   x = 3,371,039.03/1,955.81
6. Step 6: Final answer
   x = 1,723.60