Finding the Fourth Proportional to 184,300.80, 275,932.80 and 165,638.40

Step by Step Solution

1. Step 1: Write the proportion equation
   184,300.80 : 275,932.80 = 165,638.40 : x
2. Step 2: Convert to fraction form
   184,300.80/275,932.80 = 165,638.40/x
3. Step 3: Cross multiply
   184,300.80x = 275,932.80 × 165,638.40
4. Step 4: Simplify right side
   184,300.80x = 45,705,067,499.52
5. Step 5: Solve for x
   x = 45,705,067,499.52/184,300.80
6. Step 6: Final answer
   x = 247,991.69