Finding the Fourth Proportional to 92,894.77, 139,209.31 and 74,231.56

Step by Step Solution

1. Step 1: Write the proportion equation
   92,894.77 : 139,209.31 = 74,231.56 : x
2. Step 2: Convert to fraction form
   92,894.77/139,209.31 = 74,231.56/x
3. Step 3: Cross multiply
   92,894.77x = 139,209.31 × 74,231.56
4. Step 4: Simplify right side
   92,894.77x = 10,333,724,247.82
5. Step 5: Solve for x
   x = 10,333,724,247.82/92,894.77
6. Step 6: Final answer
   x = 111,241.18