Finding the Fourth Proportional to 12,008.06, 16,570.59 and 6,971.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,008.06 : 16,570.59 = 6,971.89 : x
2. Step 2: Convert to fraction form
   12,008.06/16,570.59 = 6,971.89/x
3. Step 3: Cross multiply
   12,008.06x = 16,570.59 × 6,971.89
4. Step 4: Simplify right side
   12,008.06x = 115,528,330.72
5. Step 5: Solve for x
   x = 115,528,330.72/12,008.06
6. Step 6: Final answer
   x = 9,620.90