Finding the Fourth Proportional to 102,890.80, 154,365.42 and 32,775.52

Step by Step Solution

1. Step 1: Write the proportion equation
   102,890.80 : 154,365.42 = 32,775.52 : x
2. Step 2: Convert to fraction form
   102,890.80/154,365.42 = 32,775.52/x
3. Step 3: Cross multiply
   102,890.80x = 154,365.42 × 32,775.52
4. Step 4: Simplify right side
   102,890.80x = 5,059,406,910.52
5. Step 5: Solve for x
   x = 5,059,406,910.52/102,890.80
6. Step 6: Final answer
   x = 49,172.59