Finding the Fourth Proportional to 47,007.70, 64,870.60 and 25,787

Step by Step Solution

1. Step 1: Write the proportion equation
   47,007.70 : 64,870.60 = 25,787 : x
2. Step 2: Convert to fraction form
   47,007.70/64,870.60 = 25,787/x
3. Step 3: Cross multiply
   47,007.70x = 64,870.60 × 25,787
4. Step 4: Simplify right side
   47,007.70x = 1,672,818,162.20
5. Step 5: Solve for x
   x = 1,672,818,162.20/47,007.70
6. Step 6: Final answer
   x = 35,586.05