Finding the Fourth Proportional to 188,949.30, 283,419.15 and 76,599.42

Step by Step Solution

1. Step 1: Write the proportion equation
   188,949.30 : 283,419.15 = 76,599.42 : x
2. Step 2: Convert to fraction form
   188,949.30/283,419.15 = 76,599.42/x
3. Step 3: Cross multiply
   188,949.30x = 283,419.15 × 76,599.42
4. Step 4: Simplify right side
   188,949.30x = 21,709,742,506.89
5. Step 5: Solve for x
   x = 21,709,742,506.89/188,949.30
6. Step 6: Final answer
   x = 114,897.18