Finding the Fourth Proportional to 213,017.65, 293,965.30 and 117,527.15

Step by Step Solution

1. Step 1: Write the proportion equation
   213,017.65 : 293,965.30 = 117,527.15 : x
2. Step 2: Convert to fraction form
   213,017.65/293,965.30 = 117,527.15/x
3. Step 3: Cross multiply
   213,017.65x = 293,965.30 × 117,527.15
4. Step 4: Simplify right side
   213,017.65x = 34,548,904,789.72
5. Step 5: Solve for x
   x = 34,548,904,789.72/213,017.65
6. Step 6: Final answer
   x = 162,187.99