Finding the Fourth Proportional to 49,181.90, 73,846.64 and 28,145.69

Step by Step Solution

1. Step 1: Write the proportion equation
   49,181.90 : 73,846.64 = 28,145.69 : x
2. Step 2: Convert to fraction form
   49,181.90/73,846.64 = 28,145.69/x
3. Step 3: Cross multiply
   49,181.90x = 73,846.64 × 28,145.69
4. Step 4: Simplify right side
   49,181.90x = 2,078,464,615.04
5. Step 5: Solve for x
   x = 2,078,464,615.04/49,181.90
6. Step 6: Final answer
   x = 42,260.77