Finding the Fourth Proportional to 30,601.46, 42,256.94 and 19,136.02

Step by Step Solution

1. Step 1: Write the proportion equation
   30,601.46 : 42,256.94 = 19,136.02 : x
2. Step 2: Convert to fraction form
   30,601.46/42,256.94 = 19,136.02/x
3. Step 3: Cross multiply
   30,601.46x = 42,256.94 × 19,136.02
4. Step 4: Simplify right side
   30,601.46x = 808,629,648.98
5. Step 5: Solve for x
   x = 808,629,648.98/30,601.46
6. Step 6: Final answer
   x = 26,424.54