Finding the Fourth Proportional to 1,971.42, 2,953.16 and 981.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,971.42 : 2,953.16 = 981.24 : x
2. Step 2: Convert to fraction form
   1,971.42/2,953.16 = 981.24/x
3. Step 3: Cross multiply
   1,971.42x = 2,953.16 × 981.24
4. Step 4: Simplify right side
   1,971.42x = 2,897,768.55
5. Step 5: Solve for x
   x = 2,897,768.55/1,971.42
6. Step 6: Final answer
   x = 1,469.89