Finding the Fourth Proportional to 70,108.82, 105,056.82 and 51,401.31

Step by Step Solution

1. Step 1: Write the proportion equation
   70,108.82 : 105,056.82 = 51,401.31 : x
2. Step 2: Convert to fraction form
   70,108.82/105,056.82 = 51,401.31/x
3. Step 3: Cross multiply
   70,108.82x = 105,056.82 × 51,401.31
4. Step 4: Simplify right side
   70,108.82x = 5,400,058,172.43
5. Step 5: Solve for x
   x = 5,400,058,172.43/70,108.82
6. Step 6: Final answer
   x = 77,023.95