Finding the Fourth Proportional to 83,995.83, 125,979.17 and 28,591.83

Step by Step Solution

1. Step 1: Write the proportion equation
   83,995.83 : 125,979.17 = 28,591.83 : x
2. Step 2: Convert to fraction form
   83,995.83/125,979.17 = 28,591.83/x
3. Step 3: Cross multiply
   83,995.83x = 125,979.17 × 28,591.83
4. Step 4: Simplify right side
   83,995.83x = 3,601,974,869.22
5. Step 5: Solve for x
   x = 3,601,974,869.22/83,995.83
6. Step 6: Final answer
   x = 42,882.78