Finding the Fourth Proportional to 162,680.27, 244,177.88 and 78,499.58

Step by Step Solution

1. Step 1: Write the proportion equation
   162,680.27 : 244,177.88 = 78,499.58 : x
2. Step 2: Convert to fraction form
   162,680.27/244,177.88 = 78,499.58/x
3. Step 3: Cross multiply
   162,680.27x = 244,177.88 × 78,499.58
4. Step 4: Simplify right side
   162,680.27x = 19,167,859,411.90
5. Step 5: Solve for x
   x = 19,167,859,411.90/162,680.27
6. Step 6: Final answer
   x = 117,825.35