Finding the Fourth Proportional to 46,640.76, 64,362.38 and 25,419.57

Step by Step Solution

1. Step 1: Write the proportion equation
   46,640.76 : 64,362.38 = 25,419.57 : x
2. Step 2: Convert to fraction form
   46,640.76/64,362.38 = 25,419.57/x
3. Step 3: Cross multiply
   46,640.76x = 64,362.38 × 25,419.57
4. Step 4: Simplify right side
   46,640.76x = 1,636,063,896.68
5. Step 5: Solve for x
   x = 1,636,063,896.68/46,640.76
6. Step 6: Final answer
   x = 35,077.99