Finding the Fourth Proportional to 102,285, 141,155.46 and 57,573

Step by Step Solution

1. Step 1: Write the proportion equation
   102,285 : 141,155.46 = 57,573 : x
2. Step 2: Convert to fraction form
   102,285/141,155.46 = 57,573/x
3. Step 3: Cross multiply
   102,285x = 141,155.46 × 57,573
4. Step 4: Simplify right side
   102,285x = 8,126,743,298.58
5. Step 5: Solve for x
   x = 8,126,743,298.58/102,285
6. Step 6: Final answer
   x = 79,451.96