Finding the Fourth Proportional to 76,136.42, 114,196.43 and 19,982.16

Step by Step Solution

1. Step 1: Write the proportion equation
   76,136.42 : 114,196.43 = 19,982.16 : x
2. Step 2: Convert to fraction form
   76,136.42/114,196.43 = 19,982.16/x
3. Step 3: Cross multiply
   76,136.42x = 114,196.43 × 19,982.16
4. Step 4: Simplify right side
   76,136.42x = 2,281,891,235.78
5. Step 5: Solve for x
   x = 2,281,891,235.78/76,136.42
6. Step 6: Final answer
   x = 29,971.09