Finding the Fourth Proportional to 32,878.69, 45,374.42 and 18,728.83

Step by Step Solution

1. Step 1: Write the proportion equation
   32,878.69 : 45,374.42 = 18,728.83 : x
2. Step 2: Convert to fraction form
   32,878.69/45,374.42 = 18,728.83/x
3. Step 3: Cross multiply
   32,878.69x = 45,374.42 × 18,728.83
4. Step 4: Simplify right side
   32,878.69x = 849,809,798.53
5. Step 5: Solve for x
   x = 849,809,798.53/32,878.69
6. Step 6: Final answer
   x = 25,846.83