Finding the Fourth Proportional to 70,333.74, 105,385.59 and 67,709.34

Step by Step Solution

1. Step 1: Write the proportion equation
   70,333.74 : 105,385.59 = 67,709.34 : x
2. Step 2: Convert to fraction form
   70,333.74/105,385.59 = 67,709.34/x
3. Step 3: Cross multiply
   70,333.74x = 105,385.59 × 67,709.34
4. Step 4: Simplify right side
   70,333.74x = 7,135,588,744.41
5. Step 5: Solve for x
   x = 7,135,588,744.41/70,333.74
6. Step 6: Final answer
   x = 101,453.28