Finding the Fourth Proportional to 70,810.59, 106,240.49 and 31,395.39

Step by Step Solution

1. Step 1: Write the proportion equation
   70,810.59 : 106,240.49 = 31,395.39 : x
2. Step 2: Convert to fraction form
   70,810.59/106,240.49 = 31,395.39/x
3. Step 3: Cross multiply
   70,810.59x = 106,240.49 × 31,395.39
4. Step 4: Simplify right side
   70,810.59x = 3,335,461,617.34
5. Step 5: Solve for x
   x = 3,335,461,617.34/70,810.59
6. Step 6: Final answer
   x = 47,103.99