Finding the Fourth Proportional to 186,817.42, 280,196.09 and 53,667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   186,817.42 : 280,196.09 = 53,667.42 : x
2. Step 2: Convert to fraction form
   186,817.42/280,196.09 = 53,667.42/x
3. Step 3: Cross multiply
   186,817.42x = 280,196.09 × 53,667.42
4. Step 4: Simplify right side
   186,817.42x = 15,037,401,244.39
5. Step 5: Solve for x
   x = 15,037,401,244.39/186,817.42
6. Step 6: Final answer
   x = 80,492.50