Finding the Fourth Proportional to 31,978.72, 44,131.44 and 17,831.44

Step by Step Solution

1. Step 1: Write the proportion equation
   31,978.72 : 44,131.44 = 17,831.44 : x
2. Step 2: Convert to fraction form
   31,978.72/44,131.44 = 17,831.44/x
3. Step 3: Cross multiply
   31,978.72x = 44,131.44 × 17,831.44
4. Step 4: Simplify right side
   31,978.72x = 786,927,124.47
5. Step 5: Solve for x
   x = 786,927,124.47/31,978.72
6. Step 6: Final answer
   x = 24,607.84