Finding the Fourth Proportional to 13,895.88, 19,179.69 and 8,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,895.88 : 19,179.69 = 8,587.50 : x
2. Step 2: Convert to fraction form
   13,895.88/19,179.69 = 8,587.50/x
3. Step 3: Cross multiply
   13,895.88x = 19,179.69 × 8,587.50
4. Step 4: Simplify right side
   13,895.88x = 164,705,587.88
5. Step 5: Solve for x
   x = 164,705,587.88/13,895.88
6. Step 6: Final answer
   x = 11,852.84