Finding the Fourth Proportional to 78,961.92, 118,398.72 and 32,160

Step by Step Solution

1. Step 1: Write the proportion equation
   78,961.92 : 118,398.72 = 32,160 : x
2. Step 2: Convert to fraction form
   78,961.92/118,398.72 = 32,160/x
3. Step 3: Cross multiply
   78,961.92x = 118,398.72 × 32,160
4. Step 4: Simplify right side
   78,961.92x = 3,807,702,835.20
5. Step 5: Solve for x
   x = 3,807,702,835.20/78,961.92
6. Step 6: Final answer
   x = 48,222.01