Finding the Fourth Proportional to 117,142.27, 175,711.83 and 28,396.54

Step by Step Solution

1. Step 1: Write the proportion equation
   117,142.27 : 175,711.83 = 28,396.54 : x
2. Step 2: Convert to fraction form
   117,142.27/175,711.83 = 28,396.54/x
3. Step 3: Cross multiply
   117,142.27x = 175,711.83 × 28,396.54
4. Step 4: Simplify right side
   117,142.27x = 4,989,608,281.95
5. Step 5: Solve for x
   x = 4,989,608,281.95/117,142.27
6. Step 6: Final answer
   x = 42,594.43