Finding the Fourth Proportional to 139,620, 192,674.16 and 83,030.16

Step by Step Solution

1. Step 1: Write the proportion equation
   139,620 : 192,674.16 = 83,030.16 : x
2. Step 2: Convert to fraction form
   139,620/192,674.16 = 83,030.16/x
3. Step 3: Cross multiply
   139,620x = 192,674.16 × 83,030.16
4. Step 4: Simplify right side
   139,620x = 15,997,766,332.67
5. Step 5: Solve for x
   x = 15,997,766,332.67/139,620
6. Step 6: Final answer
   x = 114,580.76