Finding the Fourth Proportional to 9,036.69, 12,471.24 and 5,058.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,036.69 : 12,471.24 = 5,058.18 : x
2. Step 2: Convert to fraction form
   9,036.69/12,471.24 = 5,058.18/x
3. Step 3: Cross multiply
   9,036.69x = 12,471.24 × 5,058.18
4. Step 4: Simplify right side
   9,036.69x = 63,081,776.74
5. Step 5: Solve for x
   x = 63,081,776.74/9,036.69
6. Step 6: Final answer
   x = 6,980.63