Finding the Fourth Proportional to 12,376.48, 17,080.56 and 7,072.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,376.48 : 17,080.56 = 7,072.96 : x
2. Step 2: Convert to fraction form
   12,376.48/17,080.56 = 7,072.96/x
3. Step 3: Cross multiply
   12,376.48x = 17,080.56 × 7,072.96
4. Step 4: Simplify right side
   12,376.48x = 120,810,117.66
5. Step 5: Solve for x
   x = 120,810,117.66/12,376.48
6. Step 6: Final answer
   x = 9,761.27