Finding the Fourth Proportional to 89,477.88, 123,477 and 49,191.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,477.88 : 123,477 = 49,191.72 : x
2. Step 2: Convert to fraction form
   89,477.88/123,477 = 49,191.72/x
3. Step 3: Cross multiply
   89,477.88x = 123,477 × 49,191.72
4. Step 4: Simplify right side
   89,477.88x = 6,074,046,010.44
5. Step 5: Solve for x
   x = 6,074,046,010.44/89,477.88
6. Step 6: Final answer
   x = 67,883.21