Finding the Fourth Proportional to 1,910.98, 2,637.25 and 1,071.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.98 : 2,637.25 = 1,071.77 : x
2. Step 2: Convert to fraction form
   1,910.98/2,637.25 = 1,071.77/x
3. Step 3: Cross multiply
   1,910.98x = 2,637.25 × 1,071.77
4. Step 4: Simplify right side
   1,910.98x = 2,826,525.43
5. Step 5: Solve for x
   x = 2,826,525.43/1,910.98
6. Step 6: Final answer
   x = 1,479.10