Finding the Fourth Proportional to 70,041.28, 96,648.56 and 39,826.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,041.28 : 96,648.56 = 39,826.72 : x
2. Step 2: Convert to fraction form
   70,041.28/96,648.56 = 39,826.72/x
3. Step 3: Cross multiply
   70,041.28x = 96,648.56 × 39,826.72
4. Step 4: Simplify right side
   70,041.28x = 3,849,195,137.52
5. Step 5: Solve for x
   x = 3,849,195,137.52/70,041.28
6. Step 6: Final answer
   x = 54,956.09