Finding the Fourth Proportional to 30,544.68, 42,150.78 and 17,970.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,544.68 : 42,150.78 = 17,970.12 : x
2. Step 2: Convert to fraction form
   30,544.68/42,150.78 = 17,970.12/x
3. Step 3: Cross multiply
   30,544.68x = 42,150.78 × 17,970.12
4. Step 4: Simplify right side
   30,544.68x = 757,454,574.69
5. Step 5: Solve for x
   x = 757,454,574.69/30,544.68
6. Step 6: Final answer
   x = 24,798.25