Finding the Fourth Proportional to 47,648.79, 65,725.56 and 30,675.15

Step by Step Solution

1. Step 1: Write the proportion equation
   47,648.79 : 65,725.56 = 30,675.15 : x
2. Step 2: Convert to fraction form
   47,648.79/65,725.56 = 30,675.15/x
3. Step 3: Cross multiply
   47,648.79x = 65,725.56 × 30,675.15
4. Step 4: Simplify right side
   47,648.79x = 2,016,141,411.83
5. Step 5: Solve for x
   x = 2,016,141,411.83/47,648.79
6. Step 6: Final answer
   x = 42,312.54