Finding the Fourth Proportional to 46,864.72, 64,673.32 and 25,643.98

Step by Step Solution

1. Step 1: Write the proportion equation
   46,864.72 : 64,673.32 = 25,643.98 : x
2. Step 2: Convert to fraction form
   46,864.72/64,673.32 = 25,643.98/x
3. Step 3: Cross multiply
   46,864.72x = 64,673.32 × 25,643.98
4. Step 4: Simplify right side
   46,864.72x = 1,658,481,324.61
5. Step 5: Solve for x
   x = 1,658,481,324.61/46,864.72
6. Step 6: Final answer
   x = 35,388.70