Finding the Fourth Proportional to 2,210.40, 3,310.56 and 1,770.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210.40 : 3,310.56 = 1,770.12 : x
2. Step 2: Convert to fraction form
   2,210.40/3,310.56 = 1,770.12/x
3. Step 3: Cross multiply
   2,210.40x = 3,310.56 × 1,770.12
4. Step 4: Simplify right side
   2,210.40x = 5,860,088.47
5. Step 5: Solve for x
   x = 5,860,088.47/2,210.40
6. Step 6: Final answer
   x = 2,651.14