Finding the Fourth Proportional to 31,249.05, 43,143.83 and 27,886.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,249.05 : 43,143.83 = 27,886.10 : x
2. Step 2: Convert to fraction form
   31,249.05/43,143.83 = 27,886.10/x
3. Step 3: Cross multiply
   31,249.05x = 43,143.83 × 27,886.10
4. Step 4: Simplify right side
   31,249.05x = 1,203,112,802.61
5. Step 5: Solve for x
   x = 1,203,112,802.61/31,249.05
6. Step 6: Final answer
   x = 38,500.78