Finding the Fourth Proportional to 210,111.78, 289,958.37 and 114,622.02

Step by Step Solution

1. Step 1: Write the proportion equation
   210,111.78 : 289,958.37 = 114,622.02 : x
2. Step 2: Convert to fraction form
   210,111.78/289,958.37 = 114,622.02/x
3. Step 3: Cross multiply
   210,111.78x = 289,958.37 × 114,622.02
4. Step 4: Simplify right side
   210,111.78x = 33,235,614,085.31
5. Step 5: Solve for x
   x = 33,235,614,085.31/210,111.78
6. Step 6: Final answer
   x = 158,180.63