Finding the Fourth Proportional to 70,965.27, 106,327.42 and 42,826.21

Step by Step Solution

1. Step 1: Write the proportion equation
   70,965.27 : 106,327.42 = 42,826.21 : x
2. Step 2: Convert to fraction form
   70,965.27/106,327.42 = 42,826.21/x
3. Step 3: Cross multiply
   70,965.27x = 106,327.42 × 42,826.21
4. Step 4: Simplify right side
   70,965.27x = 4,553,600,044.79
5. Step 5: Solve for x
   x = 4,553,600,044.79/70,965.27
6. Step 6: Final answer
   x = 64,166.60