Finding the Fourth Proportional to 102,164.43, 140,993.25 and 56,852.52

Step by Step Solution

1. Step 1: Write the proportion equation
   102,164.43 : 140,993.25 = 56,852.52 : x
2. Step 2: Convert to fraction form
   102,164.43/140,993.25 = 56,852.52/x
3. Step 3: Cross multiply
   102,164.43x = 140,993.25 × 56,852.52
4. Step 4: Simplify right side
   102,164.43x = 8,015,821,565.49
5. Step 5: Solve for x
   x = 8,015,821,565.49/102,164.43
6. Step 6: Final answer
   x = 78,460.00