Finding the Fourth Proportional to 59,377.40, 89,074.30 and 19,945.79

Step by Step Solution

1. Step 1: Write the proportion equation
   59,377.40 : 89,074.30 = 19,945.79 : x
2. Step 2: Convert to fraction form
   59,377.40/89,074.30 = 19,945.79/x
3. Step 3: Cross multiply
   59,377.40x = 89,074.30 × 19,945.79
4. Step 4: Simplify right side
   59,377.40x = 1,776,656,786.96
5. Step 5: Solve for x
   x = 1,776,656,786.96/59,377.40
6. Step 6: Final answer
   x = 29,921.43