Finding the Fourth Proportional to 64,185.63, 88,580.25 and 35,891.31

Step by Step Solution

1. Step 1: Write the proportion equation
   64,185.63 : 88,580.25 = 35,891.31 : x
2. Step 2: Convert to fraction form
   64,185.63/88,580.25 = 35,891.31/x
3. Step 3: Cross multiply
   64,185.63x = 88,580.25 × 35,891.31
4. Step 4: Simplify right side
   64,185.63x = 3,179,261,212.63
5. Step 5: Solve for x
   x = 3,179,261,212.63/64,185.63
6. Step 6: Final answer
   x = 49,532.29