Finding the Fourth Proportional to 15,359.00, 21,196.49 and 8,645.27

Step by Step Solution

1. Step 1: Write the proportion equation
   15,359.00 : 21,196.49 = 8,645.27 : x
2. Step 2: Convert to fraction form
   15,359.00/21,196.49 = 8,645.27/x
3. Step 3: Cross multiply
   15,359.00x = 21,196.49 × 8,645.27
4. Step 4: Simplify right side
   15,359.00x = 183,249,229.89
5. Step 5: Solve for x
   x = 183,249,229.89/15,359.00
6. Step 6: Final answer
   x = 11,931.07