Finding the Fourth Proportional to 139,986.29, 193,182 and 76,325.15

Step by Step Solution

1. Step 1: Write the proportion equation
   139,986.29 : 193,182 = 76,325.15 : x
2. Step 2: Convert to fraction form
   139,986.29/193,182 = 76,325.15/x
3. Step 3: Cross multiply
   139,986.29x = 193,182 × 76,325.15
4. Step 4: Simplify right side
   139,986.29x = 14,744,645,127.30
5. Step 5: Solve for x
   x = 14,744,645,127.30/139,986.29
6. Step 6: Final answer
   x = 105,329.21