Finding the Fourth Proportional to 12,693.56, 17,516.50 and 7,027.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,693.56 : 17,516.50 = 7,027.91 : x
2. Step 2: Convert to fraction form
   12,693.56/17,516.50 = 7,027.91/x
3. Step 3: Cross multiply
   12,693.56x = 17,516.50 × 7,027.91
4. Step 4: Simplify right side
   12,693.56x = 123,104,484.11
5. Step 5: Solve for x
   x = 123,104,484.11/12,693.56
6. Step 6: Final answer
   x = 9,698.18