Finding the Fourth Proportional to 28,327.75, 42,492.53 and 8,606.48

Step by Step Solution

1. Step 1: Write the proportion equation
   28,327.75 : 42,492.53 = 8,606.48 : x
2. Step 2: Convert to fraction form
   28,327.75/42,492.53 = 8,606.48/x
3. Step 3: Cross multiply
   28,327.75x = 42,492.53 × 8,606.48
4. Step 4: Simplify right side
   28,327.75x = 365,710,960.33
5. Step 5: Solve for x
   x = 365,710,960.33/28,327.75
6. Step 6: Final answer
   x = 12,909.99