Finding the Fourth Proportional to 42,734.17, 58,989.23 and 25,739.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,734.17 : 58,989.23 = 25,739.56 : x
2. Step 2: Convert to fraction form
   42,734.17/58,989.23 = 25,739.56/x
3. Step 3: Cross multiply
   42,734.17x = 58,989.23 × 25,739.56
4. Step 4: Simplify right side
   42,734.17x = 1,518,356,824.94
5. Step 5: Solve for x
   x = 1,518,356,824.94/42,734.17
6. Step 6: Final answer
   x = 35,530.28