Finding the Fourth Proportional to 15,308.21, 21,124.76 and 8,594.22

Step by Step Solution

1. Step 1: Write the proportion equation
   15,308.21 : 21,124.76 = 8,594.22 : x
2. Step 2: Convert to fraction form
   15,308.21/21,124.76 = 8,594.22/x
3. Step 3: Cross multiply
   15,308.21x = 21,124.76 × 8,594.22
4. Step 4: Simplify right side
   15,308.21x = 181,550,834.89
5. Step 5: Solve for x
   x = 181,550,834.89/15,308.21
6. Step 6: Final answer
   x = 11,859.70