Finding the Fourth Proportional to 30,562.41, 42,157.16 and 19,951.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,562.41 : 42,157.16 = 19,951.82 : x
2. Step 2: Convert to fraction form
   30,562.41/42,157.16 = 19,951.82/x
3. Step 3: Cross multiply
   30,562.41x = 42,157.16 × 19,951.82
4. Step 4: Simplify right side
   30,562.41x = 841,111,990.39
5. Step 5: Solve for x
   x = 841,111,990.39/30,562.41
6. Step 6: Final answer
   x = 27,521.12