Finding the Fourth Proportional to 117,354.30, 176,032.17 and 28,608.54

Step by Step Solution

1. Step 1: Write the proportion equation
   117,354.30 : 176,032.17 = 28,608.54 : x
2. Step 2: Convert to fraction form
   117,354.30/176,032.17 = 28,608.54/x
3. Step 3: Cross multiply
   117,354.30x = 176,032.17 × 28,608.54
4. Step 4: Simplify right side
   117,354.30x = 5,036,023,376.73
5. Step 5: Solve for x
   x = 5,036,023,376.73/117,354.30
6. Step 6: Final answer
   x = 42,912.99