Finding the Fourth Proportional to 49,189.05, 67,879.40 and 27,680.00

Step by Step Solution

1. Step 1: Write the proportion equation
   49,189.05 : 67,879.40 = 27,680.00 : x
2. Step 2: Convert to fraction form
   49,189.05/67,879.40 = 27,680.00/x
3. Step 3: Cross multiply
   49,189.05x = 67,879.40 × 27,680.00
4. Step 4: Simplify right side
   49,189.05x = 1,878,901,314.20
5. Step 5: Solve for x
   x = 1,878,901,314.20/49,189.05
6. Step 6: Final answer
   x = 38,197.55