Finding the Fourth Proportional to 11,447.13, 17,172.63 and 3,547.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,447.13 : 17,172.63 = 3,547.83 : x
2. Step 2: Convert to fraction form
   11,447.13/17,172.63 = 3,547.83/x
3. Step 3: Cross multiply
   11,447.13x = 17,172.63 × 3,547.83
4. Step 4: Simplify right side
   11,447.13x = 60,925,571.89
5. Step 5: Solve for x
   x = 60,925,571.89/11,447.13
6. Step 6: Final answer
   x = 5,322.34