Finding the Fourth Proportional to 30,649.96, 42,298.57 and 17,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,649.96 : 42,298.57 = 17,039.50 : x
2. Step 2: Convert to fraction form
   30,649.96/42,298.57 = 17,039.50/x
3. Step 3: Cross multiply
   30,649.96x = 42,298.57 × 17,039.50
4. Step 4: Simplify right side
   30,649.96x = 720,746,399.07
5. Step 5: Solve for x
   x = 720,746,399.07/30,649.96
6. Step 6: Final answer
   x = 23,515.41