Finding the Fourth Proportional to 13,498.64, 18,624.89 and 8,192.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.64 : 18,624.89 = 8,192.46 : x
2. Step 2: Convert to fraction form
   13,498.64/18,624.89 = 8,192.46/x
3. Step 3: Cross multiply
   13,498.64x = 18,624.89 × 8,192.46
4. Step 4: Simplify right side
   13,498.64x = 152,583,666.33
5. Step 5: Solve for x
   x = 152,583,666.33/13,498.64
6. Step 6: Final answer
   x = 11,303.64