Finding the Fourth Proportional to 11,713.06, 17,576.52 and 4,322.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,713.06 : 17,576.52 = 4,322.72 : x
2. Step 2: Convert to fraction form
   11,713.06/17,576.52 = 4,322.72/x
3. Step 3: Cross multiply
   11,713.06x = 17,576.52 × 4,322.72
4. Step 4: Simplify right side
   11,713.06x = 75,978,374.53
5. Step 5: Solve for x
   x = 75,978,374.53/11,713.06
6. Step 6: Final answer
   x = 6,486.64