Finding the Fourth Proportional to 30,507.98, 42,099.75 and 17,076.76

Step by Step Solution

1. Step 1: Write the proportion equation
   30,507.98 : 42,099.75 = 17,076.76 : x
2. Step 2: Convert to fraction form
   30,507.98/42,099.75 = 17,076.76/x
3. Step 3: Cross multiply
   30,507.98x = 42,099.75 × 17,076.76
4. Step 4: Simplify right side
   30,507.98x = 718,927,221.56
5. Step 5: Solve for x
   x = 718,927,221.56/30,507.98
6. Step 6: Final answer
   x = 23,565.22