Finding the Fourth Proportional to 34,227.81, 47,339.37 and 30,689.73

Step by Step Solution

1. Step 1: Write the proportion equation
   34,227.81 : 47,339.37 = 30,689.73 : x
2. Step 2: Convert to fraction form
   34,227.81/47,339.37 = 30,689.73/x
3. Step 3: Cross multiply
   34,227.81x = 47,339.37 × 30,689.73
4. Step 4: Simplify right side
   34,227.81x = 1,452,832,483.67
5. Step 5: Solve for x
   x = 1,452,832,483.67/34,227.81
6. Step 6: Final answer
   x = 42,445.97