Finding the Fourth Proportional to 31,410.09, 43,346.75 and 17,263.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,410.09 : 43,346.75 = 17,263.31 : x
2. Step 2: Convert to fraction form
   31,410.09/43,346.75 = 17,263.31/x
3. Step 3: Cross multiply
   31,410.09x = 43,346.75 × 17,263.31
4. Step 4: Simplify right side
   31,410.09x = 748,308,079.69
5. Step 5: Solve for x
   x = 748,308,079.69/31,410.09
6. Step 6: Final answer
   x = 23,823.81