Finding the Fourth Proportional to 30,917.47, 42,706.15 and 22,867.48

Step by Step Solution

1. Step 1: Write the proportion equation
   30,917.47 : 42,706.15 = 22,867.48 : x
2. Step 2: Convert to fraction form
   30,917.47/42,706.15 = 22,867.48/x
3. Step 3: Cross multiply
   30,917.47x = 42,706.15 × 22,867.48
4. Step 4: Simplify right side
   30,917.47x = 976,582,031.00
5. Step 5: Solve for x
   x = 976,582,031.00/30,917.47
6. Step 6: Final answer
   x = 31,586.74