Finding the Fourth Proportional to 82,178, 123,276.72 and 26,774

Step by Step Solution

1. Step 1: Write the proportion equation
   82,178 : 123,276.72 = 26,774 : x
2. Step 2: Convert to fraction form
   82,178/123,276.72 = 26,774/x
3. Step 3: Cross multiply
   82,178x = 123,276.72 × 26,774
4. Step 4: Simplify right side
   82,178x = 3,300,610,901.28
5. Step 5: Solve for x
   x = 3,300,610,901.28/82,178
6. Step 6: Final answer
   x = 40,164.17