Finding the Fourth Proportional to 139,608, 192,693.17 and 79,214.00

Step by Step Solution

1. Step 1: Write the proportion equation
   139,608 : 192,693.17 = 79,214.00 : x
2. Step 2: Convert to fraction form
   139,608/192,693.17 = 79,214.00/x
3. Step 3: Cross multiply
   139,608x = 192,693.17 × 79,214.00
4. Step 4: Simplify right side
   139,608x = 15,263,996,002.95
5. Step 5: Solve for x
   x = 15,263,996,002.95/139,608
6. Step 6: Final answer
   x = 109,334.68