Finding the Fourth Proportional to 12,670.34, 17,485.44 and 7,081.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,670.34 : 17,485.44 = 7,081.34 : x
2. Step 2: Convert to fraction form
   12,670.34/17,485.44 = 7,081.34/x
3. Step 3: Cross multiply
   12,670.34x = 17,485.44 × 7,081.34
4. Step 4: Simplify right side
   12,670.34x = 123,820,345.69
5. Step 5: Solve for x
   x = 123,820,345.69/12,670.34
6. Step 6: Final answer
   x = 9,772.46