Finding the Fourth Proportional to 82,554.72, 123,840.72 and 27,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,554.72 : 123,840.72 = 27,150.72 : x
2. Step 2: Convert to fraction form
   82,554.72/123,840.72 = 27,150.72/x
3. Step 3: Cross multiply
   82,554.72x = 123,840.72 × 27,150.72
4. Step 4: Simplify right side
   82,554.72x = 3,362,364,713.32
5. Step 5: Solve for x
   x = 3,362,364,713.32/82,554.72
6. Step 6: Final answer
   x = 40,728.92