Finding the Fourth Proportional to 1,892.18, 2,610.30 and 1,229.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.18 : 2,610.30 = 1,229.24 : x
2. Step 2: Convert to fraction form
   1,892.18/2,610.30 = 1,229.24/x
3. Step 3: Cross multiply
   1,892.18x = 2,610.30 × 1,229.24
4. Step 4: Simplify right side
   1,892.18x = 3,208,685.17
5. Step 5: Solve for x
   x = 3,208,685.17/1,892.18
6. Step 6: Final answer
   x = 1,695.76