Finding the Fourth Proportional to 30,238.72, 41,718.16 and 22,300

Step by Step Solution

1. Step 1: Write the proportion equation
   30,238.72 : 41,718.16 = 22,300 : x
2. Step 2: Convert to fraction form
   30,238.72/41,718.16 = 22,300/x
3. Step 3: Cross multiply
   30,238.72x = 41,718.16 × 22,300
4. Step 4: Simplify right side
   30,238.72x = 930,314,968.00
5. Step 5: Solve for x
   x = 930,314,968.00/30,238.72
6. Step 6: Final answer
   x = 30,765.69