Finding the Fourth Proportional to 85,382.82, 128,080.39 and 32,792.31

Step by Step Solution

1. Step 1: Write the proportion equation
   85,382.82 : 128,080.39 = 32,792.31 : x
2. Step 2: Convert to fraction form
   85,382.82/128,080.39 = 32,792.31/x
3. Step 3: Cross multiply
   85,382.82x = 128,080.39 × 32,792.31
4. Step 4: Simplify right side
   85,382.82x = 4,200,051,607.08
5. Step 5: Solve for x
   x = 4,200,051,607.08/85,382.82
6. Step 6: Final answer
   x = 49,190.83