Finding the Fourth Proportional to 213,066.72, 294,138.50 and 132,520.23

Step by Step Solution

1. Step 1: Write the proportion equation
   213,066.72 : 294,138.50 = 132,520.23 : x
2. Step 2: Convert to fraction form
   213,066.72/294,138.50 = 132,520.23/x
3. Step 3: Cross multiply
   213,066.72x = 294,138.50 × 132,520.23
4. Step 4: Simplify right side
   213,066.72x = 38,979,301,009.25
5. Step 5: Solve for x
   x = 38,979,301,009.25/213,066.72
6. Step 6: Final answer
   x = 182,944.11