Finding the Fourth Proportional to 216,051.31, 298,150.83 and 119,255.19

Step by Step Solution

1. Step 1: Write the proportion equation
   216,051.31 : 298,150.83 = 119,255.19 : x
2. Step 2: Convert to fraction form
   216,051.31/298,150.83 = 119,255.19/x
3. Step 3: Cross multiply
   216,051.31x = 298,150.83 × 119,255.19
4. Step 4: Simplify right side
   216,051.31x = 35,556,033,284.03
5. Step 5: Solve for x
   x = 35,556,033,284.03/216,051.31
6. Step 6: Final answer
   x = 164,572.18