Finding the Fourth Proportional to 53,256, 73,493.28 and 30,912.96

Step by Step Solution

1. Step 1: Write the proportion equation
   53,256 : 73,493.28 = 30,912.96 : x
2. Step 2: Convert to fraction form
   53,256/73,493.28 = 30,912.96/x
3. Step 3: Cross multiply
   53,256x = 73,493.28 × 30,912.96
4. Step 4: Simplify right side
   53,256x = 2,271,894,824.91
5. Step 5: Solve for x
   x = 2,271,894,824.91/53,256
6. Step 6: Final answer
   x = 42,659.88