Finding the Fourth Proportional to 117,142.52, 175,712.22 and 28,396.82

Step by Step Solution

1. Step 1: Write the proportion equation
   117,142.52 : 175,712.22 = 28,396.82 : x
2. Step 2: Convert to fraction form
   117,142.52/175,712.22 = 28,396.82/x
3. Step 3: Cross multiply
   117,142.52x = 175,712.22 × 28,396.82
4. Step 4: Simplify right side
   117,142.52x = 4,989,668,722.42
5. Step 5: Solve for x
   x = 4,989,668,722.42/117,142.52
6. Step 6: Final answer
   x = 42,594.86