Finding the Fourth Proportional to 162,792.30, 244,271.72 and 77,499.54

Step by Step Solution

1. Step 1: Write the proportion equation
   162,792.30 : 244,271.72 = 77,499.54 : x
2. Step 2: Convert to fraction form
   162,792.30/244,271.72 = 77,499.54/x
3. Step 3: Cross multiply
   162,792.30x = 244,271.72 × 77,499.54
4. Step 4: Simplify right side
   162,792.30x = 18,930,945,935.01
5. Step 5: Solve for x
   x = 18,930,945,935.01/162,792.30
6. Step 6: Final answer
   x = 116,288.95