Finding the Fourth Proportional to 11,322.57, 16,982.78 and 3,531.45

Step by Step Solution

1. Step 1: Write the proportion equation
   11,322.57 : 16,982.78 = 3,531.45 : x
2. Step 2: Convert to fraction form
   11,322.57/16,982.78 = 3,531.45/x
3. Step 3: Cross multiply
   11,322.57x = 16,982.78 × 3,531.45
4. Step 4: Simplify right side
   11,322.57x = 59,973,820.77
5. Step 5: Solve for x
   x = 59,973,820.77/11,322.57
6. Step 6: Final answer
   x = 5,296.84