Finding the Fourth Proportional to 5,898.30, 8,118.79 and 5,058.19

Step by Step Solution

1. Step 1: Write the proportion equation
   5,898.30 : 8,118.79 = 5,058.19 : x
2. Step 2: Convert to fraction form
   5,898.30/8,118.79 = 5,058.19/x
3. Step 3: Cross multiply
   5,898.30x = 8,118.79 × 5,058.19
4. Step 4: Simplify right side
   5,898.30x = 41,066,382.39
5. Step 5: Solve for x
   x = 41,066,382.39/5,898.30
6. Step 6: Final answer
   x = 6,962.41