Finding the Fourth Proportional to 46,638.69, 64,359.51 and 25,417.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,638.69 : 64,359.51 = 25,417.50 : x
2. Step 2: Convert to fraction form
   46,638.69/64,359.51 = 25,417.50/x
3. Step 3: Cross multiply
   46,638.69x = 64,359.51 × 25,417.50
4. Step 4: Simplify right side
   46,638.69x = 1,635,857,845.43
5. Step 5: Solve for x
   x = 1,635,857,845.43/46,638.69
6. Step 6: Final answer
   x = 35,075.12