Finding the Fourth Proportional to 70,689.22, 106,016.34 and 42,233.94

Step by Step Solution

1. Step 1: Write the proportion equation
   70,689.22 : 106,016.34 = 42,233.94 : x
2. Step 2: Convert to fraction form
   70,689.22/106,016.34 = 42,233.94/x
3. Step 3: Cross multiply
   70,689.22x = 106,016.34 × 42,233.94
4. Step 4: Simplify right side
   70,689.22x = 4,477,487,742.58
5. Step 5: Solve for x
   x = 4,477,487,742.58/70,689.22
6. Step 6: Final answer
   x = 63,340.46