Finding the Fourth Proportional to 55,589.33, 76,724.87 and 51,105.98

Step by Step Solution

1. Step 1: Write the proportion equation
   55,589.33 : 76,724.87 = 51,105.98 : x
2. Step 2: Convert to fraction form
   55,589.33/76,724.87 = 51,105.98/x
3. Step 3: Cross multiply
   55,589.33x = 76,724.87 × 51,105.98
4. Step 4: Simplify right side
   55,589.33x = 3,921,099,176.43
5. Step 5: Solve for x
   x = 3,921,099,176.43/55,589.33
6. Step 6: Final answer
   x = 70,536.91