Finding the Fourth Proportional to 89,304, 123,239.52 and 49,560

Step by Step Solution

1. Step 1: Write the proportion equation
   89,304 : 123,239.52 = 49,560 : x
2. Step 2: Convert to fraction form
   89,304/123,239.52 = 49,560/x
3. Step 3: Cross multiply
   89,304x = 123,239.52 × 49,560
4. Step 4: Simplify right side
   89,304x = 6,107,750,611.20
5. Step 5: Solve for x
   x = 6,107,750,611.20/89,304
6. Step 6: Final answer
   x = 68,392.80