Finding the Fourth Proportional to 2,907.50, 4,360.23 and 1,058.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,907.50 : 4,360.23 = 1,058.18 : x
2. Step 2: Convert to fraction form
   2,907.50/4,360.23 = 1,058.18/x
3. Step 3: Cross multiply
   2,907.50x = 4,360.23 × 1,058.18
4. Step 4: Simplify right side
   2,907.50x = 4,613,886.38
5. Step 5: Solve for x
   x = 4,613,886.38/2,907.50
6. Step 6: Final answer
   x = 1,586.89