Finding the Fourth Proportional to 1,942.17, 2,680.25 and 1,058.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,942.17 : 2,680.25 = 1,058.03 : x
2. Step 2: Convert to fraction form
   1,942.17/2,680.25 = 1,058.03/x
3. Step 3: Cross multiply
   1,942.17x = 2,680.25 × 1,058.03
4. Step 4: Simplify right side
   1,942.17x = 2,835,784.91
5. Step 5: Solve for x
   x = 2,835,784.91/1,942.17
6. Step 6: Final answer
   x = 1,460.11