Finding the Fourth Proportional to 11,513.31, 17,268.24 and 3,192.45

Step by Step Solution

1. Step 1: Write the proportion equation
   11,513.31 : 17,268.24 = 3,192.45 : x
2. Step 2: Convert to fraction form
   11,513.31/17,268.24 = 3,192.45/x
3. Step 3: Cross multiply
   11,513.31x = 17,268.24 × 3,192.45
4. Step 4: Simplify right side
   11,513.31x = 55,127,992.79
5. Step 5: Solve for x
   x = 55,127,992.79/11,513.31
6. Step 6: Final answer
   x = 4,788.20