Finding the Fourth Proportional to 85,350.71, 128,039.92 and 32,046.89

Step by Step Solution

1. Step 1: Write the proportion equation
   85,350.71 : 128,039.92 = 32,046.89 : x
2. Step 2: Convert to fraction form
   85,350.71/128,039.92 = 32,046.89/x
3. Step 3: Cross multiply
   85,350.71x = 128,039.92 × 32,046.89
4. Step 4: Simplify right side
   85,350.71x = 4,103,280,511.53
5. Step 5: Solve for x
   x = 4,103,280,511.53/85,350.71
6. Step 6: Final answer
   x = 48,075.53