Finding the Fourth Proportional to 30,870.24, 42,600.88 and 17,440.84

Step by Step Solution

1. Step 1: Write the proportion equation
   30,870.24 : 42,600.88 = 17,440.84 : x
2. Step 2: Convert to fraction form
   30,870.24/42,600.88 = 17,440.84/x
3. Step 3: Cross multiply
   30,870.24x = 42,600.88 × 17,440.84
4. Step 4: Simplify right side
   30,870.24x = 742,995,131.94
5. Step 5: Solve for x
   x = 742,995,131.94/30,870.24
6. Step 6: Final answer
   x = 24,068.33