Finding the Fourth Proportional to 82,191.56, 123,292.86 and 28,877.06

Step by Step Solution

1. Step 1: Write the proportion equation
   82,191.56 : 123,292.86 = 28,877.06 : x
2. Step 2: Convert to fraction form
   82,191.56/123,292.86 = 28,877.06/x
3. Step 3: Cross multiply
   82,191.56x = 123,292.86 × 28,877.06
4. Step 4: Simplify right side
   82,191.56x = 3,560,335,315.79
5. Step 5: Solve for x
   x = 3,560,335,315.79/82,191.56
6. Step 6: Final answer
   x = 43,317.53