Finding the Fourth Proportional to 1,430.52, 1,974.10 and 801.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430.52 : 1,974.10 = 801.10 : x
2. Step 2: Convert to fraction form
   1,430.52/1,974.10 = 801.10/x
3. Step 3: Cross multiply
   1,430.52x = 1,974.10 × 801.10
4. Step 4: Simplify right side
   1,430.52x = 1,581,451.51
5. Step 5: Solve for x
   x = 1,581,451.51/1,430.52
6. Step 6: Final answer
   x = 1,105.51