Finding the Fourth Proportional to 78,921.52, 118,426.02 and 32,170.78

Step by Step Solution

1. Step 1: Write the proportion equation
   78,921.52 : 118,426.02 = 32,170.78 : x
2. Step 2: Convert to fraction form
   78,921.52/118,426.02 = 32,170.78/x
3. Step 3: Cross multiply
   78,921.52x = 118,426.02 × 32,170.78
4. Step 4: Simplify right side
   78,921.52x = 3,809,857,435.70
5. Step 5: Solve for x
   x = 3,809,857,435.70/78,921.52
6. Step 6: Final answer
   x = 48,274.00