Finding the Fourth Proportional to 30,987.07, 42,766.04 and 17,562.67

Step by Step Solution

1. Step 1: Write the proportion equation
   30,987.07 : 42,766.04 = 17,562.67 : x
2. Step 2: Convert to fraction form
   30,987.07/42,766.04 = 17,562.67/x
3. Step 3: Cross multiply
   30,987.07x = 42,766.04 × 17,562.67
4. Step 4: Simplify right side
   30,987.07x = 751,085,784.72
5. Step 5: Solve for x
   x = 751,085,784.72/30,987.07
6. Step 6: Final answer
   x = 24,238.69