Finding the Fourth Proportional to 1,344.68, 1,851.82 and 1,210.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,344.68 : 1,851.82 = 1,210.76 : x
2. Step 2: Convert to fraction form
   1,344.68/1,851.82 = 1,210.76/x
3. Step 3: Cross multiply
   1,344.68x = 1,851.82 × 1,210.76
4. Step 4: Simplify right side
   1,344.68x = 2,242,097.30
5. Step 5: Solve for x
   x = 2,242,097.30/1,344.68
6. Step 6: Final answer
   x = 1,667.39