Finding the Fourth Proportional to 235,180.72, 324,498.72 and 139,719.52

Step by Step Solution

1. Step 1: Write the proportion equation
   235,180.72 : 324,498.72 = 139,719.52 : x
2. Step 2: Convert to fraction form
   235,180.72/324,498.72 = 139,719.52/x
3. Step 3: Cross multiply
   235,180.72x = 324,498.72 × 139,719.52
4. Step 4: Simplify right side
   235,180.72x = 45,338,805,399.01
5. Step 5: Solve for x
   x = 45,338,805,399.01/235,180.72
6. Step 6: Final answer
   x = 192,782.83