Finding the Fourth Proportional to 117,318.58, 175,978.17 and 28,571.94

Step by Step Solution

1. Step 1: Write the proportion equation
   117,318.58 : 175,978.17 = 28,571.94 : x
2. Step 2: Convert to fraction form
   117,318.58/175,978.17 = 28,571.94/x
3. Step 3: Cross multiply
   117,318.58x = 175,978.17 × 28,571.94
4. Step 4: Simplify right side
   117,318.58x = 5,028,037,714.55
5. Step 5: Solve for x
   x = 5,028,037,714.55/117,318.58
6. Step 6: Final answer
   x = 42,857.98