Finding the Fourth Proportional to 1,422.74, 1,962.93 and 801.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.74 : 1,962.93 = 801.62 : x
2. Step 2: Convert to fraction form
   1,422.74/1,962.93 = 801.62/x
3. Step 3: Cross multiply
   1,422.74x = 1,962.93 × 801.62
4. Step 4: Simplify right side
   1,422.74x = 1,573,523.95
5. Step 5: Solve for x
   x = 1,573,523.95/1,422.74
6. Step 6: Final answer
   x = 1,105.98