Finding the Fourth Proportional to 11,620.39, 17,427.96 and 3,300.23

Step by Step Solution

1. Step 1: Write the proportion equation
   11,620.39 : 17,427.96 = 3,300.23 : x
2. Step 2: Convert to fraction form
   11,620.39/17,427.96 = 3,300.23/x
3. Step 3: Cross multiply
   11,620.39x = 17,427.96 × 3,300.23
4. Step 4: Simplify right side
   11,620.39x = 57,516,276.43
5. Step 5: Solve for x
   x = 57,516,276.43/11,620.39
6. Step 6: Final answer
   x = 4,949.60