Finding the Fourth Proportional to 46,688.36, 64,428.89 and 25,468.38

Step by Step Solution

1. Step 1: Write the proportion equation
   46,688.36 : 64,428.89 = 25,468.38 : x
2. Step 2: Convert to fraction form
   46,688.36/64,428.89 = 25,468.38/x
3. Step 3: Cross multiply
   46,688.36x = 64,428.89 × 25,468.38
4. Step 4: Simplify right side
   46,688.36x = 1,640,899,326.16
5. Step 5: Solve for x
   x = 1,640,899,326.16/46,688.36
6. Step 6: Final answer
   x = 35,145.79