Finding the Fourth Proportional to 1,624.05, 2,434.86 and 801.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624.05 : 2,434.86 = 801.81 : x
2. Step 2: Convert to fraction form
   1,624.05/2,434.86 = 801.81/x
3. Step 3: Cross multiply
   1,624.05x = 2,434.86 × 801.81
4. Step 4: Simplify right side
   1,624.05x = 1,952,295.10
5. Step 5: Solve for x
   x = 1,952,295.10/1,624.05
6. Step 6: Final answer
   x = 1,202.12