Finding the Fourth Proportional to 46,656.81, 64,387.05 and 25,436.07

Step by Step Solution

1. Step 1: Write the proportion equation
   46,656.81 : 64,387.05 = 25,436.07 : x
2. Step 2: Convert to fraction form
   46,656.81/64,387.05 = 25,436.07/x
3. Step 3: Cross multiply
   46,656.81x = 64,387.05 × 25,436.07
4. Step 4: Simplify right side
   46,656.81x = 1,637,753,510.89
5. Step 5: Solve for x
   x = 1,637,753,510.89/46,656.81
6. Step 6: Final answer
   x = 35,102.13