Finding the Fourth Proportional to 1,422.50, 1,963.13 and 801.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.50 : 1,963.13 = 801.54 : x
2. Step 2: Convert to fraction form
   1,422.50/1,963.13 = 801.54/x
3. Step 3: Cross multiply
   1,422.50x = 1,963.13 × 801.54
4. Step 4: Simplify right side
   1,422.50x = 1,573,527.22
5. Step 5: Solve for x
   x = 1,573,527.22/1,422.50
6. Step 6: Final answer
   x = 1,106.17