Finding the Fourth Proportional to 72,853.48, 109,314.78 and 43,329.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,853.48 : 109,314.78 = 43,329.52 : x
2. Step 2: Convert to fraction form
   72,853.48/109,314.78 = 43,329.52/x
3. Step 3: Cross multiply
   72,853.48x = 109,314.78 × 43,329.52
4. Step 4: Simplify right side
   72,853.48x = 4,736,556,946.31
5. Step 5: Solve for x
   x = 4,736,556,946.31/72,853.48
6. Step 6: Final answer
   x = 65,014.83