Finding the Fourth Proportional to 89,458.56, 123,480.32 and 57,627.36

Step by Step Solution

1. Step 1: Write the proportion equation
   89,458.56 : 123,480.32 = 57,627.36 : x
2. Step 2: Convert to fraction form
   89,458.56/123,480.32 = 57,627.36/x
3. Step 3: Cross multiply
   89,458.56x = 123,480.32 × 57,627.36
4. Step 4: Simplify right side
   89,458.56x = 7,115,844,853.56
5. Step 5: Solve for x
   x = 7,115,844,853.56/89,458.56
6. Step 6: Final answer
   x = 79,543.48