Finding the Fourth Proportional to 89,796.37, 123,924.23 and 51,555.99

Step by Step Solution

1. Step 1: Write the proportion equation
   89,796.37 : 123,924.23 = 51,555.99 : x
2. Step 2: Convert to fraction form
   89,796.37/123,924.23 = 51,555.99/x
3. Step 3: Cross multiply
   89,796.37x = 123,924.23 × 51,555.99
4. Step 4: Simplify right side
   89,796.37x = 6,389,036,762.91
5. Step 5: Solve for x
   x = 6,389,036,762.91/89,796.37
6. Step 6: Final answer
   x = 71,150.28