Finding the Fourth Proportional to 102,350.52, 141,241.59 and 57,028.32

Step by Step Solution

1. Step 1: Write the proportion equation
   102,350.52 : 141,241.59 = 57,028.32 : x
2. Step 2: Convert to fraction form
   102,350.52/141,241.59 = 57,028.32/x
3. Step 3: Cross multiply
   102,350.52x = 141,241.59 × 57,028.32
4. Step 4: Simplify right side
   102,350.52x = 8,054,770,591.83
5. Step 5: Solve for x
   x = 8,054,770,591.83/102,350.52
6. Step 6: Final answer
   x = 78,697.90