Finding the Fourth Proportional to 1,910.69, 2,861.98 and 1,088.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.69 : 2,861.98 = 1,088.54 : x
2. Step 2: Convert to fraction form
   1,910.69/2,861.98 = 1,088.54/x
3. Step 3: Cross multiply
   1,910.69x = 2,861.98 × 1,088.54
4. Step 4: Simplify right side
   1,910.69x = 3,115,379.71
5. Step 5: Solve for x
   x = 3,115,379.71/1,910.69
6. Step 6: Final answer
   x = 1,630.50