Finding the Fourth Proportional to 34,155.42, 51,235.56 and 10,781.25

Step by Step Solution

1. Step 1: Write the proportion equation
   34,155.42 : 51,235.56 = 10,781.25 : x
2. Step 2: Convert to fraction form
   34,155.42/51,235.56 = 10,781.25/x
3. Step 3: Cross multiply
   34,155.42x = 51,235.56 × 10,781.25
4. Step 4: Simplify right side
   34,155.42x = 552,383,381.25
5. Step 5: Solve for x
   x = 552,383,381.25/34,155.42
6. Step 6: Final answer
   x = 16,172.64