Finding the Fourth Proportional to 42,179.01, 58,178.82 and 30,674.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,179.01 : 58,178.82 = 30,674.58 : x
2. Step 2: Convert to fraction form
   42,179.01/58,178.82 = 30,674.58/x
3. Step 3: Cross multiply
   42,179.01x = 58,178.82 × 30,674.58
4. Step 4: Simplify right side
   42,179.01x = 1,784,610,868.40
5. Step 5: Solve for x
   x = 1,784,610,868.40/42,179.01
6. Step 6: Final answer
   x = 42,310.40