Finding the Fourth Proportional to 92,227.89, 138,341.87 and 71,198.63

Step by Step Solution

1. Step 1: Write the proportion equation
   92,227.89 : 138,341.87 = 71,198.63 : x
2. Step 2: Convert to fraction form
   92,227.89/138,341.87 = 71,198.63/x
3. Step 3: Cross multiply
   92,227.89x = 138,341.87 × 71,198.63
4. Step 4: Simplify right side
   92,227.89x = 9,849,751,353.71
5. Step 5: Solve for x
   x = 9,849,751,353.71/92,227.89
6. Step 6: Final answer
   x = 106,797.96