Finding the Fourth Proportional to 9,058.81, 12,484.23 and 7,066.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058.81 : 12,484.23 = 7,066.21 : x
2. Step 2: Convert to fraction form
   9,058.81/12,484.23 = 7,066.21/x
3. Step 3: Cross multiply
   9,058.81x = 12,484.23 × 7,066.21
4. Step 4: Simplify right side
   9,058.81x = 88,216,190.87
5. Step 5: Solve for x
   x = 88,216,190.87/9,058.81
6. Step 6: Final answer
   x = 9,738.17