Finding the Fourth Proportional to 162,978.80, 244,612.20 and 96,335.60

Step by Step Solution

1. Step 1: Write the proportion equation
   162,978.80 : 244,612.20 = 96,335.60 : x
2. Step 2: Convert to fraction form
   162,978.80/244,612.20 = 96,335.60/x
3. Step 3: Cross multiply
   162,978.80x = 244,612.20 × 96,335.60
4. Step 4: Simplify right side
   162,978.80x = 23,564,863,054.32
5. Step 5: Solve for x
   x = 23,564,863,054.32/162,978.80
6. Step 6: Final answer
   x = 144,588.52