Finding the Fourth Proportional to 42,385.82, 58,486.45 and 25,386.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,385.82 : 58,486.45 = 25,386.08 : x
2. Step 2: Convert to fraction form
   42,385.82/58,486.45 = 25,386.08/x
3. Step 3: Cross multiply
   42,385.82x = 58,486.45 × 25,386.08
4. Step 4: Simplify right side
   42,385.82x = 1,484,741,698.62
5. Step 5: Solve for x
   x = 1,484,741,698.62/42,385.82
6. Step 6: Final answer
   x = 35,029.21