Finding the Fourth Proportional to 89,208.83, 123,043.91 and 57,347.28

Step by Step Solution

1. Step 1: Write the proportion equation
   89,208.83 : 123,043.91 = 57,347.28 : x
2. Step 2: Convert to fraction form
   89,208.83/123,043.91 = 57,347.28/x
3. Step 3: Cross multiply
   89,208.83x = 123,043.91 × 57,347.28
4. Step 4: Simplify right side
   89,208.83x = 7,056,233,272.33
5. Step 5: Solve for x
   x = 7,056,233,272.33/89,208.83
6. Step 6: Final answer
   x = 79,097.93