Finding the Fourth Proportional to 30,700.32, 42,364.71 and 17,272.14

Step by Step Solution

1. Step 1: Write the proportion equation
   30,700.32 : 42,364.71 = 17,272.14 : x
2. Step 2: Convert to fraction form
   30,700.32/42,364.71 = 17,272.14/x
3. Step 3: Cross multiply
   30,700.32x = 42,364.71 × 17,272.14
4. Step 4: Simplify right side
   30,700.32x = 731,729,202.18
5. Step 5: Solve for x
   x = 731,729,202.18/30,700.32
6. Step 6: Final answer
   x = 23,834.58