Finding the Fourth Proportional to 46,656.59, 64,387.32 and 28,763.42

Step by Step Solution

1. Step 1: Write the proportion equation
   46,656.59 : 64,387.32 = 28,763.42 : x
2. Step 2: Convert to fraction form
   46,656.59/64,387.32 = 28,763.42/x
3. Step 3: Cross multiply
   46,656.59x = 64,387.32 × 28,763.42
4. Step 4: Simplify right side
   46,656.59x = 1,851,999,527.83
5. Step 5: Solve for x
   x = 1,851,999,527.83/46,656.59
6. Step 6: Final answer
   x = 39,694.28