Finding the Fourth Proportional to 12,700.58, 17,527.29 and 7,035.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,700.58 : 17,527.29 = 7,035.21 : x
2. Step 2: Convert to fraction form
   12,700.58/17,527.29 = 7,035.21/x
3. Step 3: Cross multiply
   12,700.58x = 17,527.29 × 7,035.21
4. Step 4: Simplify right side
   12,700.58x = 123,308,165.88
5. Step 5: Solve for x
   x = 123,308,165.88/12,700.58
6. Step 6: Final answer
   x = 9,708.86