Finding the Fourth Proportional to 139,682.10, 192,757.59 and 76,018.53

Step by Step Solution

1. Step 1: Write the proportion equation
   139,682.10 : 192,757.59 = 76,018.53 : x
2. Step 2: Convert to fraction form
   139,682.10/192,757.59 = 76,018.53/x
3. Step 3: Cross multiply
   139,682.10x = 192,757.59 × 76,018.53
4. Step 4: Simplify right side
   139,682.10x = 14,653,148,638.14
5. Step 5: Solve for x
   x = 14,653,148,638.14/139,682.10
6. Step 6: Final answer
   x = 104,903.55