Finding the Fourth Proportional to 42,434, 58,558.92 and 25,680.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,434 : 58,558.92 = 25,680.08 : x
2. Step 2: Convert to fraction form
   42,434/58,558.92 = 25,680.08/x
3. Step 3: Cross multiply
   42,434x = 58,558.92 × 25,680.08
4. Step 4: Simplify right side
   42,434x = 1,503,797,750.31
5. Step 5: Solve for x
   x = 1,503,797,750.31/42,434
6. Step 6: Final answer
   x = 35,438.51