Finding the Fourth Proportional to 31,208.10, 43,769.10 and 31,208.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,208.10 : 43,769.10 = 31,208.10 : x
2. Step 2: Convert to fraction form
   31,208.10/43,769.10 = 31,208.10/x
3. Step 3: Cross multiply
   31,208.10x = 43,769.10 × 31,208.10
4. Step 4: Simplify right side
   31,208.10x = 1,365,950,449.71
5. Step 5: Solve for x
   x = 1,365,950,449.71/31,208.10
6. Step 6: Final answer
   x = 43,769.10