Finding the Fourth Proportional to 235,517.82, 324,900.27 and 139,956.72

Step by Step Solution

1. Step 1: Write the proportion equation
   235,517.82 : 324,900.27 = 139,956.72 : x
2. Step 2: Convert to fraction form
   235,517.82/324,900.27 = 139,956.72/x
3. Step 3: Cross multiply
   235,517.82x = 324,900.27 × 139,956.72
4. Step 4: Simplify right side
   235,517.82x = 45,471,976,116.31
5. Step 5: Solve for x
   x = 45,471,976,116.31/235,517.82
6. Step 6: Final answer
   x = 193,072.34