Finding the Fourth Proportional to 13,032.96, 17,987.40 and 8,253.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,032.96 : 17,987.40 = 8,253.34 : x
2. Step 2: Convert to fraction form
   13,032.96/17,987.40 = 8,253.34/x
3. Step 3: Cross multiply
   13,032.96x = 17,987.40 × 8,253.34
4. Step 4: Simplify right side
   13,032.96x = 148,456,127.92
5. Step 5: Solve for x
   x = 148,456,127.92/13,032.96
6. Step 6: Final answer
   x = 11,390.82