Finding the Fourth Proportional to 70,814.39, 106,172.37 and 31,349.97

Step by Step Solution

1. Step 1: Write the proportion equation
   70,814.39 : 106,172.37 = 31,349.97 : x
2. Step 2: Convert to fraction form
   70,814.39/106,172.37 = 31,349.97/x
3. Step 3: Cross multiply
   70,814.39x = 106,172.37 × 31,349.97
4. Step 4: Simplify right side
   70,814.39x = 3,328,500,614.33
5. Step 5: Solve for x
   x = 3,328,500,614.33/70,814.39
6. Step 6: Final answer
   x = 47,003.17