Finding the Fourth Proportional to 1,910.10, 2,635.71 and 1,070.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.10 : 2,635.71 = 1,070.61 : x
2. Step 2: Convert to fraction form
   1,910.10/2,635.71 = 1,070.61/x
3. Step 3: Cross multiply
   1,910.10x = 2,635.71 × 1,070.61
4. Step 4: Simplify right side
   1,910.10x = 2,821,817.48
5. Step 5: Solve for x
   x = 2,821,817.48/1,910.10
6. Step 6: Final answer
   x = 1,477.31