Finding the Fourth Proportional to 1,422.50, 1,961.97 and 981.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.50 : 1,961.97 = 981.14 : x
2. Step 2: Convert to fraction form
   1,422.50/1,961.97 = 981.14/x
3. Step 3: Cross multiply
   1,422.50x = 1,961.97 × 981.14
4. Step 4: Simplify right side
   1,422.50x = 1,924,967.25
5. Step 5: Solve for x
   x = 1,924,967.25/1,422.50
6. Step 6: Final answer
   x = 1,353.23