Finding the Fourth Proportional to 64,080.57, 88,431.12 and 35,786.28

Step by Step Solution

1. Step 1: Write the proportion equation
   64,080.57 : 88,431.12 = 35,786.28 : x
2. Step 2: Convert to fraction form
   64,080.57/88,431.12 = 35,786.28/x
3. Step 3: Cross multiply
   64,080.57x = 88,431.12 × 35,786.28
4. Step 4: Simplify right side
   64,080.57x = 3,164,620,821.03
5. Step 5: Solve for x
   x = 3,164,620,821.03/64,080.57
6. Step 6: Final answer
   x = 49,385.03