Finding the Fourth Proportional to 12,562.72, 17,336.64 and 6,973.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,562.72 : 17,336.64 = 6,973.72 : x
2. Step 2: Convert to fraction form
   12,562.72/17,336.64 = 6,973.72/x
3. Step 3: Cross multiply
   12,562.72x = 17,336.64 × 6,973.72
4. Step 4: Simplify right side
   12,562.72x = 120,900,873.10
5. Step 5: Solve for x
   x = 120,900,873.10/12,562.72
6. Step 6: Final answer
   x = 9,623.78