Finding the Fourth Proportional to 1,942.32, 2,680.50 and 1,058.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.32 : 2,680.50 = 1,058.10 : x
2. Step 2: Convert to fraction form
   1,942.32/2,680.50 = 1,058.10/x
3. Step 3: Cross multiply
   1,942.32x = 2,680.50 × 1,058.10
4. Step 4: Simplify right side
   1,942.32x = 2,836,237.05
5. Step 5: Solve for x
   x = 2,836,237.05/1,942.32
6. Step 6: Final answer
   x = 1,460.23