Finding the Fourth Proportional to 51,379.05, 70,924.89 and 31,242.33

Step by Step Solution

1. Step 1: Write the proportion equation
   51,379.05 : 70,924.89 = 31,242.33 : x
2. Step 2: Convert to fraction form
   51,379.05/70,924.89 = 31,242.33/x
3. Step 3: Cross multiply
   51,379.05x = 70,924.89 × 31,242.33
4. Step 4: Simplify right side
   51,379.05x = 2,215,858,818.59
5. Step 5: Solve for x
   x = 2,215,858,818.59/51,379.05
6. Step 6: Final answer
   x = 43,127.67