Finding the Fourth Proportional to 1,981.82, 2,968.86 and 940.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.82 : 2,968.86 = 940.34 : x
2. Step 2: Convert to fraction form
   1,981.82/2,968.86 = 940.34/x
3. Step 3: Cross multiply
   1,981.82x = 2,968.86 × 940.34
4. Step 4: Simplify right side
   1,981.82x = 2,791,737.81
5. Step 5: Solve for x
   x = 2,791,737.81/1,981.82
6. Step 6: Final answer
   x = 1,408.67