Finding the Fourth Proportional to 30,660.83, 42,302.43 and 17,904.81

Step by Step Solution

1. Step 1: Write the proportion equation
   30,660.83 : 42,302.43 = 17,904.81 : x
2. Step 2: Convert to fraction form
   30,660.83/42,302.43 = 17,904.81/x
3. Step 3: Cross multiply
   30,660.83x = 42,302.43 × 17,904.81
4. Step 4: Simplify right side
   30,660.83x = 757,416,971.69
5. Step 5: Solve for x
   x = 757,416,971.69/30,660.83
6. Step 6: Final answer
   x = 24,703.09