Finding the Fourth Proportional to 213,182.08, 294,189.37 and 117,686.72

Step by Step Solution

1. Step 1: Write the proportion equation
   213,182.08 : 294,189.37 = 117,686.72 : x
2. Step 2: Convert to fraction form
   213,182.08/294,189.37 = 117,686.72/x
3. Step 3: Cross multiply
   213,182.08x = 294,189.37 × 117,686.72
4. Step 4: Simplify right side
   213,182.08x = 34,622,182,455.42
5. Step 5: Solve for x
   x = 34,622,182,455.42/213,182.08
6. Step 6: Final answer
   x = 162,406.63