Finding the Fourth Proportional to 102,965.34, 142,084.32 and 57,632.94

Step by Step Solution

1. Step 1: Write the proportion equation
   102,965.34 : 142,084.32 = 57,632.94 : x
2. Step 2: Convert to fraction form
   102,965.34/142,084.32 = 57,632.94/x
3. Step 3: Cross multiply
   102,965.34x = 142,084.32 × 57,632.94
4. Step 4: Simplify right side
   102,965.34x = 8,188,737,089.50
5. Step 5: Solve for x
   x = 8,188,737,089.50/102,965.34
6. Step 6: Final answer
   x = 79,529.06