Finding the Fourth Proportional to 30,671.39, 42,326.69 and 17,242.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,671.39 : 42,326.69 = 17,242.52 : x
2. Step 2: Convert to fraction form
   30,671.39/42,326.69 = 17,242.52/x
3. Step 3: Cross multiply
   30,671.39x = 42,326.69 × 17,242.52
4. Step 4: Simplify right side
   30,671.39x = 729,818,947.78
5. Step 5: Solve for x
   x = 729,818,947.78/30,671.39
6. Step 6: Final answer
   x = 23,794.78