Finding the Fourth Proportional to 82,120.56, 123,182.76 and 26,720.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,120.56 : 123,182.76 = 26,720.88 : x
2. Step 2: Convert to fraction form
   82,120.56/123,182.76 = 26,720.88/x
3. Step 3: Cross multiply
   82,120.56x = 123,182.76 × 26,720.88
4. Step 4: Simplify right side
   82,120.56x = 3,291,551,748.03
5. Step 5: Solve for x
   x = 3,291,551,748.03/82,120.56
6. Step 6: Final answer
   x = 40,081.94