Finding the Fourth Proportional to 15,595.68, 21,523.50 and 8,523.15

Step by Step Solution

1. Step 1: Write the proportion equation
   15,595.68 : 21,523.50 = 8,523.15 : x
2. Step 2: Convert to fraction form
   15,595.68/21,523.50 = 8,523.15/x
3. Step 3: Cross multiply
   15,595.68x = 21,523.50 × 8,523.15
4. Step 4: Simplify right side
   15,595.68x = 183,448,019.03
5. Step 5: Solve for x
   x = 183,448,019.03/15,595.68
6. Step 6: Final answer
   x = 11,762.75