Finding the Fourth Proportional to 30,788.32, 42,487.86 and 17,362.84

Step by Step Solution

1. Step 1: Write the proportion equation
   30,788.32 : 42,487.86 = 17,362.84 : x
2. Step 2: Convert to fraction form
   30,788.32/42,487.86 = 17,362.84/x
3. Step 3: Cross multiply
   30,788.32x = 42,487.86 × 17,362.84
4. Step 4: Simplify right side
   30,788.32x = 737,709,915.12
5. Step 5: Solve for x
   x = 737,709,915.12/30,788.32
6. Step 6: Final answer
   x = 23,960.71