Finding the Fourth Proportional to 91,992.71, 137,989.58 and 27,951.48

Step by Step Solution

1. Step 1: Write the proportion equation
   91,992.71 : 137,989.58 = 27,951.48 : x
2. Step 2: Convert to fraction form
   91,992.71/137,989.58 = 27,951.48/x
3. Step 3: Cross multiply
   91,992.71x = 137,989.58 × 27,951.48
4. Step 4: Simplify right side
   91,992.71x = 3,857,012,845.82
5. Step 5: Solve for x
   x = 3,857,012,845.82/91,992.71
6. Step 6: Final answer
   x = 41,927.37