Finding the Fourth Proportional to 42,989.94, 59,335.74 and 30,305.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,989.94 : 59,335.74 = 30,305.34 : x
2. Step 2: Convert to fraction form
   42,989.94/59,335.74 = 30,305.34/x
3. Step 3: Cross multiply
   42,989.94x = 59,335.74 × 30,305.34
4. Step 4: Simplify right side
   42,989.94x = 1,798,189,774.85
5. Step 5: Solve for x
   x = 1,798,189,774.85/42,989.94
6. Step 6: Final answer
   x = 41,828.15