Finding the Fourth Proportional to 82,298.38, 123,447.16 and 28,977.70

Step by Step Solution

1. Step 1: Write the proportion equation
   82,298.38 : 123,447.16 = 28,977.70 : x
2. Step 2: Convert to fraction form
   82,298.38/123,447.16 = 28,977.70/x
3. Step 3: Cross multiply
   82,298.38x = 123,447.16 × 28,977.70
4. Step 4: Simplify right side
   82,298.38x = 3,577,214,768.33
5. Step 5: Solve for x
   x = 3,577,214,768.33/82,298.38
6. Step 6: Final answer
   x = 43,466.41