Finding the Fourth Proportional to 12,700.49, 17,526.51 and 7,035.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,700.49 : 17,526.51 = 7,035.21 : x
2. Step 2: Convert to fraction form
   12,700.49/17,526.51 = 7,035.21/x
3. Step 3: Cross multiply
   12,700.49x = 17,526.51 × 7,035.21
4. Step 4: Simplify right side
   12,700.49x = 123,302,678.42
5. Step 5: Solve for x
   x = 123,302,678.42/12,700.49
6. Step 6: Final answer
   x = 9,708.50