Finding the Fourth Proportional to 31,333.81, 43,242.94 and 17,904.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,333.81 : 43,242.94 = 17,904.76 : x
2. Step 2: Convert to fraction form
   31,333.81/43,242.94 = 17,904.76/x
3. Step 3: Cross multiply
   31,333.81x = 43,242.94 × 17,904.76
4. Step 4: Simplify right side
   31,333.81x = 774,254,462.39
5. Step 5: Solve for x
   x = 774,254,462.39/31,333.81
6. Step 6: Final answer
   x = 24,709.87