Finding the Fourth Proportional to 42,473.20, 58,616.06 and 25,478.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,473.20 : 58,616.06 = 25,478.16 : x
2. Step 2: Convert to fraction form
   42,473.20/58,616.06 = 25,478.16/x
3. Step 3: Cross multiply
   42,473.20x = 58,616.06 × 25,478.16
4. Step 4: Simplify right side
   42,473.20x = 1,493,429,355.25
5. Step 5: Solve for x
   x = 1,493,429,355.25/42,473.20
6. Step 6: Final answer
   x = 35,161.69