Finding the Fourth Proportional to 42,777.06, 59,034.59 and 25,786.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,777.06 : 59,034.59 = 25,786.70 : x
2. Step 2: Convert to fraction form
   42,777.06/59,034.59 = 25,786.70/x
3. Step 3: Cross multiply
   42,777.06x = 59,034.59 × 25,786.70
4. Step 4: Simplify right side
   42,777.06x = 1,522,306,837.85
5. Step 5: Solve for x
   x = 1,522,306,837.85/42,777.06
6. Step 6: Final answer
   x = 35,586.99