Finding the Fourth Proportional to 15,568.63, 21,484.50 and 8,494.59

Step by Step Solution

1. Step 1: Write the proportion equation
   15,568.63 : 21,484.50 = 8,494.59 : x
2. Step 2: Convert to fraction form
   15,568.63/21,484.50 = 8,494.59/x
3. Step 3: Cross multiply
   15,568.63x = 21,484.50 × 8,494.59
4. Step 4: Simplify right side
   15,568.63x = 182,502,018.86
5. Step 5: Solve for x
   x = 182,502,018.86/15,568.63
6. Step 6: Final answer
   x = 11,722.42