Finding the Fourth Proportional to 1,619.92, 2,234.82 and 1,030.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,619.92 : 2,234.82 = 1,030.78 : x
2. Step 2: Convert to fraction form
   1,619.92/2,234.82 = 1,030.78/x
3. Step 3: Cross multiply
   1,619.92x = 2,234.82 × 1,030.78
4. Step 4: Simplify right side
   1,619.92x = 2,303,607.76
5. Step 5: Solve for x
   x = 2,303,607.76/1,619.92
6. Step 6: Final answer
   x = 1,422.05