Finding the Fourth Proportional to 139,722.54, 192,816.14 and 76,060.18

Step by Step Solution

1. Step 1: Write the proportion equation
   139,722.54 : 192,816.14 = 76,060.18 : x
2. Step 2: Convert to fraction form
   139,722.54/192,816.14 = 76,060.18/x
3. Step 3: Cross multiply
   139,722.54x = 192,816.14 × 76,060.18
4. Step 4: Simplify right side
   139,722.54x = 14,665,630,315.31
5. Step 5: Solve for x
   x = 14,665,630,315.31/139,722.54
6. Step 6: Final answer
   x = 104,962.52