Finding the Fourth Proportional to 30,612.96, 42,245.28 and 17,184.24

Step by Step Solution

1. Step 1: Write the proportion equation
   30,612.96 : 42,245.28 = 17,184.24 : x
2. Step 2: Convert to fraction form
   30,612.96/42,245.28 = 17,184.24/x
3. Step 3: Cross multiply
   30,612.96x = 42,245.28 × 17,184.24
4. Step 4: Simplify right side
   30,612.96x = 725,953,030.39
5. Step 5: Solve for x
   x = 725,953,030.39/30,612.96
6. Step 6: Final answer
   x = 23,713.91