Finding the Fourth Proportional to 42,908.08, 59,187.36 and 30,997.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,908.08 : 59,187.36 = 30,997.84 : x
2. Step 2: Convert to fraction form
   42,908.08/59,187.36 = 30,997.84/x
3. Step 3: Cross multiply
   42,908.08x = 59,187.36 × 30,997.84
4. Step 4: Simplify right side
   42,908.08x = 1,834,680,315.30
5. Step 5: Solve for x
   x = 1,834,680,315.30/42,908.08
6. Step 6: Final answer
   x = 42,758.39