Finding the Fourth Proportional to 12,437.02, 17,164.56 and 7,131.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,437.02 : 17,164.56 = 7,131.82 : x
2. Step 2: Convert to fraction form
   12,437.02/17,164.56 = 7,131.82/x
3. Step 3: Cross multiply
   12,437.02x = 17,164.56 × 7,131.82
4. Step 4: Simplify right side
   12,437.02x = 122,414,552.30
5. Step 5: Solve for x
   x = 122,414,552.30/12,437.02
6. Step 6: Final answer
   x = 9,842.76