Finding the Fourth Proportional to 93,874.37, 139,974.16 and 83,442.38

Step by Step Solution

1. Step 1: Write the proportion equation
   93,874.37 : 139,974.16 = 83,442.38 : x
2. Step 2: Convert to fraction form
   93,874.37/139,974.16 = 83,442.38/x
3. Step 3: Cross multiply
   93,874.37x = 139,974.16 × 83,442.38
4. Step 4: Simplify right side
   93,874.37x = 11,679,777,048.90
5. Step 5: Solve for x
   x = 11,679,777,048.90/93,874.37
6. Step 6: Final answer
   x = 124,419.23