Finding the Fourth Proportional to 262,978.56, 362,977.92 and 162,318.72

Step by Step Solution

1. Step 1: Write the proportion equation
   262,978.56 : 362,977.92 = 162,318.72 : x
2. Step 2: Convert to fraction form
   262,978.56/362,977.92 = 162,318.72/x
3. Step 3: Cross multiply
   262,978.56x = 362,977.92 × 162,318.72
4. Step 4: Simplify right side
   262,978.56x = 58,918,111,362.66
5. Step 5: Solve for x
   x = 58,918,111,362.66/262,978.56
6. Step 6: Final answer
   x = 224,041.50