Finding the Fourth Proportional to 9,036.58, 12,471.09 and 5,058.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,036.58 : 12,471.09 = 5,058.07 : x
2. Step 2: Convert to fraction form
   9,036.58/12,471.09 = 5,058.07/x
3. Step 3: Cross multiply
   9,036.58x = 12,471.09 × 5,058.07
4. Step 4: Simplify right side
   9,036.58x = 63,079,646.20
5. Step 5: Solve for x
   x = 63,079,646.20/9,036.58
6. Step 6: Final answer
   x = 6,980.48