Finding the Fourth Proportional to 92,164.56, 138,285.72 and 54,796.02

Step by Step Solution

1. Step 1: Write the proportion equation
   92,164.56 : 138,285.72 = 54,796.02 : x
2. Step 2: Convert to fraction form
   92,164.56/138,285.72 = 54,796.02/x
3. Step 3: Cross multiply
   92,164.56x = 138,285.72 × 54,796.02
4. Step 4: Simplify right side
   92,164.56x = 7,577,507,078.83
5. Step 5: Solve for x
   x = 7,577,507,078.83/92,164.56
6. Step 6: Final answer
   x = 82,217.15