Finding the Fourth Proportional to 34,139.05, 51,224.82 and 15,424.81

Step by Step Solution

1. Step 1: Write the proportion equation
   34,139.05 : 51,224.82 = 15,424.81 : x
2. Step 2: Convert to fraction form
   34,139.05/51,224.82 = 15,424.81/x
3. Step 3: Cross multiply
   34,139.05x = 51,224.82 × 15,424.81
4. Step 4: Simplify right side
   34,139.05x = 790,133,115.78
5. Step 5: Solve for x
   x = 790,133,115.78/34,139.05
6. Step 6: Final answer
   x = 23,144.55