Finding the Fourth Proportional to 1,910.50, 2,636.53 and 1,071.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.50 : 2,636.53 = 1,071.16 : x
2. Step 2: Convert to fraction form
   1,910.50/2,636.53 = 1,071.16/x
3. Step 3: Cross multiply
   1,910.50x = 2,636.53 × 1,071.16
4. Step 4: Simplify right side
   1,910.50x = 2,824,145.47
5. Step 5: Solve for x
   x = 2,824,145.47/1,910.50
6. Step 6: Final answer
   x = 1,478.22