Finding the Fourth Proportional to 1,343.01, 1,849.14 and 1,219.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.01 : 1,849.14 = 1,219.99 : x
2. Step 2: Convert to fraction form
   1,343.01/1,849.14 = 1,219.99/x
3. Step 3: Cross multiply
   1,343.01x = 1,849.14 × 1,219.99
4. Step 4: Simplify right side
   1,343.01x = 2,255,939.98
5. Step 5: Solve for x
   x = 2,255,939.98/1,343.01
6. Step 6: Final answer
   x = 1,679.76