Finding the Fourth Proportional to 12,451.04, 17,184.72 and 7,976.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,451.04 : 17,184.72 = 7,976.72 : x
2. Step 2: Convert to fraction form
   12,451.04/17,184.72 = 7,976.72/x
3. Step 3: Cross multiply
   12,451.04x = 17,184.72 × 7,976.72
4. Step 4: Simplify right side
   12,451.04x = 137,077,699.72
5. Step 5: Solve for x
   x = 137,077,699.72/12,451.04
6. Step 6: Final answer
   x = 11,009.34