Finding the Fourth Proportional to 49,105.31, 67,767.28 and 27,886.55

Step by Step Solution

1. Step 1: Write the proportion equation
   49,105.31 : 67,767.28 = 27,886.55 : x
2. Step 2: Convert to fraction form
   49,105.31/67,767.28 = 27,886.55/x
3. Step 3: Cross multiply
   49,105.31x = 67,767.28 × 27,886.55
4. Step 4: Simplify right side
   49,105.31x = 1,889,795,642.08
5. Step 5: Solve for x
   x = 1,889,795,642.08/49,105.31
6. Step 6: Final answer
   x = 38,484.55