Finding the Fourth Proportional to 42,072.58, 58,073.06 and 25,089.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,072.58 : 58,073.06 = 25,089.31 : x
2. Step 2: Convert to fraction form
   42,072.58/58,073.06 = 25,089.31/x
3. Step 3: Cross multiply
   42,072.58x = 58,073.06 × 25,089.31
4. Step 4: Simplify right side
   42,072.58x = 1,457,012,589.18
5. Step 5: Solve for x
   x = 1,457,012,589.18/42,072.58
6. Step 6: Final answer
   x = 34,630.93