Finding the Fourth Proportional to 3,111.94, 4,665.03 and 1,058.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,111.94 : 4,665.03 = 1,058.50 : x
2. Step 2: Convert to fraction form
   3,111.94/4,665.03 = 1,058.50/x
3. Step 3: Cross multiply
   3,111.94x = 4,665.03 × 1,058.50
4. Step 4: Simplify right side
   3,111.94x = 4,937,934.26
5. Step 5: Solve for x
   x = 4,937,934.26/3,111.94
6. Step 6: Final answer
   x = 1,586.77