Finding the Fourth Proportional to 89,782.88, 123,900.16 and 49,496.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,782.88 : 123,900.16 = 49,496.32 : x
2. Step 2: Convert to fraction form
   89,782.88/123,900.16 = 49,496.32/x
3. Step 3: Cross multiply
   89,782.88x = 123,900.16 × 49,496.32
4. Step 4: Simplify right side
   89,782.88x = 6,132,601,967.41
5. Step 5: Solve for x
   x = 6,132,601,967.41/89,782.88
6. Step 6: Final answer
   x = 68,304.80