Finding the Fourth Proportional to 137,277, 189,445.46 and 76,846.12

Step by Step Solution

1. Step 1: Write the proportion equation
   137,277 : 189,445.46 = 76,846.12 : x
2. Step 2: Convert to fraction form
   137,277/189,445.46 = 76,846.12/x
3. Step 3: Cross multiply
   137,277x = 189,445.46 × 76,846.12
4. Step 4: Simplify right side
   137,277x = 14,558,148,552.62
5. Step 5: Solve for x
   x = 14,558,148,552.62/137,277
6. Step 6: Final answer
   x = 106,049.44