Finding the Fourth Proportional to 89,539.72, 123,567.84 and 49,255

Step by Step Solution

1. Step 1: Write the proportion equation
   89,539.72 : 123,567.84 = 49,255 : x
2. Step 2: Convert to fraction form
   89,539.72/123,567.84 = 49,255/x
3. Step 3: Cross multiply
   89,539.72x = 123,567.84 × 49,255
4. Step 4: Simplify right side
   89,539.72x = 6,086,333,959.20
5. Step 5: Solve for x
   x = 6,086,333,959.20/89,539.72
6. Step 6: Final answer
   x = 67,973.56