Finding the Fourth Proportional to 1,942.41, 2,680.75 and 1,156.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.41 : 2,680.75 = 1,156.45 : x
2. Step 2: Convert to fraction form
   1,942.41/2,680.75 = 1,156.45/x
3. Step 3: Cross multiply
   1,942.41x = 2,680.75 × 1,156.45
4. Step 4: Simplify right side
   1,942.41x = 3,100,153.34
5. Step 5: Solve for x
   x = 3,100,153.34/1,942.41
6. Step 6: Final answer
   x = 1,596.03