Finding the Fourth Proportional to 81,994.63, 123,027.69 and 28,724.82

Step by Step Solution

1. Step 1: Write the proportion equation
   81,994.63 : 123,027.69 = 28,724.82 : x
2. Step 2: Convert to fraction form
   81,994.63/123,027.69 = 28,724.82/x
3. Step 3: Cross multiply
   81,994.63x = 123,027.69 × 28,724.82
4. Step 4: Simplify right side
   81,994.63x = 3,533,948,568.00
5. Step 5: Solve for x
   x = 3,533,948,568.00/81,994.63
6. Step 6: Final answer
   x = 43,099.76