Finding the Fourth Proportional to 85,748.36, 128,622.59 and 35,801.24

Step by Step Solution

1. Step 1: Write the proportion equation
   85,748.36 : 128,622.59 = 35,801.24 : x
2. Step 2: Convert to fraction form
   85,748.36/128,622.59 = 35,801.24/x
3. Step 3: Cross multiply
   85,748.36x = 128,622.59 × 35,801.24
4. Step 4: Simplify right side
   85,748.36x = 4,604,847,391.89
5. Step 5: Solve for x
   x = 4,604,847,391.89/85,748.36
6. Step 6: Final answer
   x = 53,701.87