Finding the Fourth Proportional to 64,209.94, 88,609.82 and 35,915.63

Step by Step Solution

1. Step 1: Write the proportion equation
   64,209.94 : 88,609.82 = 35,915.63 : x
2. Step 2: Convert to fraction form
   64,209.94/88,609.82 = 35,915.63/x
3. Step 3: Cross multiply
   64,209.94x = 88,609.82 × 35,915.63
4. Step 4: Simplify right side
   64,209.94x = 3,182,476,886.86
5. Step 5: Solve for x
   x = 3,182,476,886.86/64,209.94
6. Step 6: Final answer
   x = 49,563.62