Finding the Fourth Proportional to 82,168, 123,261.72 and 26,764

Step by Step Solution

1. Step 1: Write the proportion equation
   82,168 : 123,261.72 = 26,764 : x
2. Step 2: Convert to fraction form
   82,168/123,261.72 = 26,764/x
3. Step 3: Cross multiply
   82,168x = 123,261.72 × 26,764
4. Step 4: Simplify right side
   82,168x = 3,298,976,674.08
5. Step 5: Solve for x
   x = 3,298,976,674.08/82,168
6. Step 6: Final answer
   x = 40,149.17