Finding the Fourth Proportional to 30,597.21, 42,224.22 and 17,859.15

Step by Step Solution

1. Step 1: Write the proportion equation
   30,597.21 : 42,224.22 = 17,859.15 : x
2. Step 2: Convert to fraction form
   30,597.21/42,224.22 = 17,859.15/x
3. Step 3: Cross multiply
   30,597.21x = 42,224.22 × 17,859.15
4. Step 4: Simplify right side
   30,597.21x = 754,088,678.61
5. Step 5: Solve for x
   x = 754,088,678.61/30,597.21
6. Step 6: Final answer
   x = 24,645.67