Finding the Fourth Proportional to 190,650.78, 263,106.31 and 114,155.27

Step by Step Solution

1. Step 1: Write the proportion equation
   190,650.78 : 263,106.31 = 114,155.27 : x
2. Step 2: Convert to fraction form
   190,650.78/263,106.31 = 114,155.27/x
3. Step 3: Cross multiply
   190,650.78x = 263,106.31 × 114,155.27
4. Step 4: Simplify right side
   190,650.78x = 30,034,971,211.33
5. Step 5: Solve for x
   x = 30,034,971,211.33/190,650.78
6. Step 6: Final answer
   x = 157,539.20