Finding the Fourth Proportional to 42,589.34, 63,835.58 and 25,912.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,589.34 : 63,835.58 = 25,912.63 : x
2. Step 2: Convert to fraction form
   42,589.34/63,835.58 = 25,912.63/x
3. Step 3: Cross multiply
   42,589.34x = 63,835.58 × 25,912.63
4. Step 4: Simplify right side
   42,589.34x = 1,654,147,670.57
5. Step 5: Solve for x
   x = 1,654,147,670.57/42,589.34
6. Step 6: Final answer
   x = 38,839.47