Finding the Fourth Proportional to 34,443.42, 51,615.78 and 19,621.71

Step by Step Solution

1. Step 1: Write the proportion equation
   34,443.42 : 51,615.78 = 19,621.71 : x
2. Step 2: Convert to fraction form
   34,443.42/51,615.78 = 19,621.71/x
3. Step 3: Cross multiply
   34,443.42x = 51,615.78 × 19,621.71
4. Step 4: Simplify right side
   34,443.42x = 1,012,789,866.58
5. Step 5: Solve for x
   x = 1,012,789,866.58/34,443.42
6. Step 6: Final answer
   x = 29,404.45