Finding the Fourth Proportional to 89,825.72, 123,953.72 and 49,539.74

Step by Step Solution

1. Step 1: Write the proportion equation
   89,825.72 : 123,953.72 = 49,539.74 : x
2. Step 2: Convert to fraction form
   89,825.72/123,953.72 = 49,539.74/x
3. Step 3: Cross multiply
   89,825.72x = 123,953.72 × 49,539.74
4. Step 4: Simplify right side
   89,825.72x = 6,140,634,193.37
5. Step 5: Solve for x
   x = 6,140,634,193.37/89,825.72
6. Step 6: Final answer
   x = 68,361.65