Finding the Fourth Proportional to 11,669.47, 17,493.27 and 3,872.81

Step by Step Solution

1. Step 1: Write the proportion equation
   11,669.47 : 17,493.27 = 3,872.81 : x
2. Step 2: Convert to fraction form
   11,669.47/17,493.27 = 3,872.81/x
3. Step 3: Cross multiply
   11,669.47x = 17,493.27 × 3,872.81
4. Step 4: Simplify right side
   11,669.47x = 67,748,140.20
5. Step 5: Solve for x
   x = 67,748,140.20/11,669.47
6. Step 6: Final answer
   x = 5,805.59