Finding the Fourth Proportional to 1,430.83, 1,974.72 and 801.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,430.83 : 1,974.72 = 801.46 : x
2. Step 2: Convert to fraction form
   1,430.83/1,974.72 = 801.46/x
3. Step 3: Cross multiply
   1,430.83x = 1,974.72 × 801.46
4. Step 4: Simplify right side
   1,430.83x = 1,582,659.09
5. Step 5: Solve for x
   x = 1,582,659.09/1,430.83
6. Step 6: Final answer
   x = 1,106.11