Finding the Fourth Proportional to 30,482.18, 42,066.30 and 17,053.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,482.18 : 42,066.30 = 17,053.12 : x
2. Step 2: Convert to fraction form
   30,482.18/42,066.30 = 17,053.12/x
3. Step 3: Cross multiply
   30,482.18x = 42,066.30 × 17,053.12
4. Step 4: Simplify right side
   30,482.18x = 717,361,661.86
5. Step 5: Solve for x
   x = 717,361,661.86/30,482.18
6. Step 6: Final answer
   x = 23,533.80