Finding the Fourth Proportional to 1,624.73, 2,435.46 and 803.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624.73 : 2,435.46 = 803.60 : x
2. Step 2: Convert to fraction form
   1,624.73/2,435.46 = 803.60/x
3. Step 3: Cross multiply
   1,624.73x = 2,435.46 × 803.60
4. Step 4: Simplify right side
   1,624.73x = 1,957,123.48
5. Step 5: Solve for x
   x = 1,957,123.48/1,624.73
6. Step 6: Final answer
   x = 1,204.59