Finding the Fourth Proportional to 51,210, 70,689.24 and 34,452.72

Step by Step Solution

1. Step 1: Write the proportion equation
   51,210 : 70,689.24 = 34,452.72 : x
2. Step 2: Convert to fraction form
   51,210/70,689.24 = 34,452.72/x
3. Step 3: Cross multiply
   51,210x = 70,689.24 × 34,452.72
4. Step 4: Simplify right side
   51,210x = 2,435,436,592.73
5. Step 5: Solve for x
   x = 2,435,436,592.73/51,210
6. Step 6: Final answer
   x = 47,557.83