Finding the Fourth Proportional to 2,076.42, 3,113.34 and 981.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.42 : 3,113.34 = 981.48 : x
2. Step 2: Convert to fraction form
   2,076.42/3,113.34 = 981.48/x
3. Step 3: Cross multiply
   2,076.42x = 3,113.34 × 981.48
4. Step 4: Simplify right side
   2,076.42x = 3,055,680.94
5. Step 5: Solve for x
   x = 3,055,680.94/2,076.42
6. Step 6: Final answer
   x = 1,471.61