Finding the Fourth Proportional to 82,178.50, 123,277.47 and 26,774.50

Step by Step Solution

1. Step 1: Write the proportion equation
   82,178.50 : 123,277.47 = 26,774.50 : x
2. Step 2: Convert to fraction form
   82,178.50/123,277.47 = 26,774.50/x
3. Step 3: Cross multiply
   82,178.50x = 123,277.47 × 26,774.50
4. Step 4: Simplify right side
   82,178.50x = 3,300,692,620.52
5. Step 5: Solve for x
   x = 3,300,692,620.52/82,178.50
6. Step 6: Final answer
   x = 40,164.92