Finding the Fourth Proportional to 117,141.29, 175,710.37 and 28,395.55

Step by Step Solution

1. Step 1: Write the proportion equation
   117,141.29 : 175,710.37 = 28,395.55 : x
2. Step 2: Convert to fraction form
   117,141.29/175,710.37 = 28,395.55/x
3. Step 3: Cross multiply
   117,141.29x = 175,710.37 × 28,395.55
4. Step 4: Simplify right side
   117,141.29x = 4,989,392,596.85
5. Step 5: Solve for x
   x = 4,989,392,596.85/117,141.29
6. Step 6: Final answer
   x = 42,592.95