Finding the Fourth Proportional to 1,955.89, 2,699.09 and 1,071.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.89 : 2,699.09 = 1,071.69 : x
2. Step 2: Convert to fraction form
   1,955.89/2,699.09 = 1,071.69/x
3. Step 3: Cross multiply
   1,955.89x = 2,699.09 × 1,071.69
4. Step 4: Simplify right side
   1,955.89x = 2,892,587.76
5. Step 5: Solve for x
   x = 2,892,587.76/1,955.89
6. Step 6: Final answer
   x = 1,478.91