Finding the Fourth Proportional to 78,928.48, 118,392.72 and 32,173.12

Step by Step Solution

1. Step 1: Write the proportion equation
   78,928.48 : 118,392.72 = 32,173.12 : x
2. Step 2: Convert to fraction form
   78,928.48/118,392.72 = 32,173.12/x
3. Step 3: Cross multiply
   78,928.48x = 118,392.72 × 32,173.12
4. Step 4: Simplify right side
   78,928.48x = 3,809,063,187.69
5. Step 5: Solve for x
   x = 3,809,063,187.69/78,928.48
6. Step 6: Final answer
   x = 48,259.68