Finding the Fourth Proportional to 20,575.50, 30,860.01 and 8,892.06

Step by Step Solution

1. Step 1: Write the proportion equation
   20,575.50 : 30,860.01 = 8,892.06 : x
2. Step 2: Convert to fraction form
   20,575.50/30,860.01 = 8,892.06/x
3. Step 3: Cross multiply
   20,575.50x = 30,860.01 × 8,892.06
4. Step 4: Simplify right side
   20,575.50x = 274,409,060.52
5. Step 5: Solve for x
   x = 274,409,060.52/20,575.50
6. Step 6: Final answer
   x = 13,336.69