Finding the Fourth Proportional to 43,105.69, 59,466.31 and 31,150.09

Step by Step Solution

1. Step 1: Write the proportion equation
   43,105.69 : 59,466.31 = 31,150.09 : x
2. Step 2: Convert to fraction form
   43,105.69/59,466.31 = 31,150.09/x
3. Step 3: Cross multiply
   43,105.69x = 59,466.31 × 31,150.09
4. Step 4: Simplify right side
   43,105.69x = 1,852,380,908.47
5. Step 5: Solve for x
   x = 1,852,380,908.47/43,105.69
6. Step 6: Final answer
   x = 42,973.00