Finding the Fourth Proportional to 64,185.42, 88,575.89 and 35,891.18

Step by Step Solution

1. Step 1: Write the proportion equation
   64,185.42 : 88,575.89 = 35,891.18 : x
2. Step 2: Convert to fraction form
   64,185.42/88,575.89 = 35,891.18/x
3. Step 3: Cross multiply
   64,185.42x = 88,575.89 × 35,891.18
4. Step 4: Simplify right side
   64,185.42x = 3,179,092,589.31
5. Step 5: Solve for x
   x = 3,179,092,589.31/64,185.42
6. Step 6: Final answer
   x = 49,529.82