Finding the Fourth Proportional to 12,700.52, 17,527.30 and 7,111.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,700.52 : 17,527.30 = 7,111.52 : x
2. Step 2: Convert to fraction form
   12,700.52/17,527.30 = 7,111.52/x
3. Step 3: Cross multiply
   12,700.52x = 17,527.30 × 7,111.52
4. Step 4: Simplify right side
   12,700.52x = 124,645,744.50
5. Step 5: Solve for x
   x = 124,645,744.50/12,700.52
6. Step 6: Final answer
   x = 9,814.22