Finding the Fourth Proportional to 70,965.31, 106,327.46 and 42,826.23

Step by Step Solution

1. Step 1: Write the proportion equation
   70,965.31 : 106,327.46 = 42,826.23 : x
2. Step 2: Convert to fraction form
   70,965.31/106,327.46 = 42,826.23/x
3. Step 3: Cross multiply
   70,965.31x = 106,327.46 × 42,826.23
4. Step 4: Simplify right side
   70,965.31x = 4,553,604,763.07
5. Step 5: Solve for x
   x = 4,553,604,763.07/70,965.31
6. Step 6: Final answer
   x = 64,166.63