Finding the Fourth Proportional to 30,525.60, 42,124.56 and 17,951.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,525.60 : 42,124.56 = 17,951.12 : x
2. Step 2: Convert to fraction form
   30,525.60/42,124.56 = 17,951.12/x
3. Step 3: Cross multiply
   30,525.60x = 42,124.56 × 17,951.12
4. Step 4: Simplify right side
   30,525.60x = 756,183,031.51
5. Step 5: Solve for x
   x = 756,183,031.51/30,525.60
6. Step 6: Final answer
   x = 24,772.09