Finding the Fourth Proportional to 13,871.52, 19,152.72 and 8,573.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,871.52 : 19,152.72 = 8,573.60 : x
2. Step 2: Convert to fraction form
   13,871.52/19,152.72 = 8,573.60/x
3. Step 3: Cross multiply
   13,871.52x = 19,152.72 × 8,573.60
4. Step 4: Simplify right side
   13,871.52x = 164,207,760.19
5. Step 5: Solve for x
   x = 164,207,760.19/13,871.52
6. Step 6: Final answer
   x = 11,837.76