Finding the Fourth Proportional to 42,635.62, 58,828.17 and 30,725.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,635.62 : 58,828.17 = 30,725.38 : x
2. Step 2: Convert to fraction form
   42,635.62/58,828.17 = 30,725.38/x
3. Step 3: Cross multiply
   42,635.62x = 58,828.17 × 30,725.38
4. Step 4: Simplify right side
   42,635.62x = 1,807,517,877.95
5. Step 5: Solve for x
   x = 1,807,517,877.95/42,635.62
6. Step 6: Final answer
   x = 42,394.55