Finding the Fourth Proportional to 85,842.75, 128,786.00 and 32,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,842.75 : 128,786.00 = 32,556.50 : x
2. Step 2: Convert to fraction form
   85,842.75/128,786.00 = 32,556.50/x
3. Step 3: Cross multiply
   85,842.75x = 128,786.00 × 32,556.50
4. Step 4: Simplify right side
   85,842.75x = 4,192,820,602.29
5. Step 5: Solve for x
   x = 4,192,820,602.29/85,842.75
6. Step 6: Final answer
   x = 48,843.04