Finding the Fourth Proportional to 49,128.31, 67,798.38 and 27,910.77

Step by Step Solution

1. Step 1: Write the proportion equation
   49,128.31 : 67,798.38 = 27,910.77 : x
2. Step 2: Convert to fraction form
   49,128.31/67,798.38 = 27,910.77/x
3. Step 3: Cross multiply
   49,128.31x = 67,798.38 × 27,910.77
4. Step 4: Simplify right side
   49,128.31x = 1,892,304,990.55
5. Step 5: Solve for x
   x = 1,892,304,990.55/49,128.31
6. Step 6: Final answer
   x = 38,517.61