Finding the Fourth Proportional to 11,672.42, 17,497.46 and 3,875.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,672.42 : 17,497.46 = 3,875.76 : x
2. Step 2: Convert to fraction form
   11,672.42/17,497.46 = 3,875.76/x
3. Step 3: Cross multiply
   11,672.42x = 17,497.46 × 3,875.76
4. Step 4: Simplify right side
   11,672.42x = 67,815,955.57
5. Step 5: Solve for x
   x = 67,815,955.57/11,672.42
6. Step 6: Final answer
   x = 5,809.93