Finding the Fourth Proportional to 13,032.64, 17,985.34 and 7,367.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,032.64 : 17,985.34 = 7,367.72 : x
2. Step 2: Convert to fraction form
   13,032.64/17,985.34 = 7,367.72/x
3. Step 3: Cross multiply
   13,032.64x = 17,985.34 × 7,367.72
4. Step 4: Simplify right side
   13,032.64x = 132,510,920.28
5. Step 5: Solve for x
   x = 132,510,920.28/13,032.64
6. Step 6: Final answer
   x = 10,167.62