Finding the Fourth Proportional to 89,662.72, 123,693.01 and 57,841.87

Step by Step Solution

1. Step 1: Write the proportion equation
   89,662.72 : 123,693.01 = 57,841.87 : x
2. Step 2: Convert to fraction form
   89,662.72/123,693.01 = 57,841.87/x
3. Step 3: Cross multiply
   89,662.72x = 123,693.01 × 57,841.87
4. Step 4: Simplify right side
   89,662.72x = 7,154,635,004.33
5. Step 5: Solve for x
   x = 7,154,635,004.33/89,662.72
6. Step 6: Final answer
   x = 79,794.98