Finding the Fourth Proportional to 12,364.32, 17,053.46 and 8,587.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,364.32 : 17,053.46 = 8,587.49 : x
2. Step 2: Convert to fraction form
   12,364.32/17,053.46 = 8,587.49/x
3. Step 3: Cross multiply
   12,364.32x = 17,053.46 × 8,587.49
4. Step 4: Simplify right side
   12,364.32x = 146,446,417.22
5. Step 5: Solve for x
   x = 146,446,417.22/12,364.32
6. Step 6: Final answer
   x = 11,844.28