Finding the Fourth Proportional to 102,072.27, 140,676.77 and 83,015.27

Step by Step Solution

1. Step 1: Write the proportion equation
   102,072.27 : 140,676.77 = 83,015.27 : x
2. Step 2: Convert to fraction form
   102,072.27/140,676.77 = 83,015.27/x
3. Step 3: Cross multiply
   102,072.27x = 140,676.77 × 83,015.27
4. Step 4: Simplify right side
   102,072.27x = 11,678,318,925.82
5. Step 5: Solve for x
   x = 11,678,318,925.82/102,072.27
6. Step 6: Final answer
   x = 114,412.26