Finding the Fourth Proportional to 46,930.80, 64,764.72 and 25,710

Step by Step Solution

1. Step 1: Write the proportion equation
   46,930.80 : 64,764.72 = 25,710 : x
2. Step 2: Convert to fraction form
   46,930.80/64,764.72 = 25,710/x
3. Step 3: Cross multiply
   46,930.80x = 64,764.72 × 25,710
4. Step 4: Simplify right side
   46,930.80x = 1,665,100,951.20
5. Step 5: Solve for x
   x = 1,665,100,951.20/46,930.80
6. Step 6: Final answer
   x = 35,479.92