Finding the Fourth Proportional to 92,168.89, 138,298.49 and 33,009.12

Step by Step Solution

1. Step 1: Write the proportion equation
   92,168.89 : 138,298.49 = 33,009.12 : x
2. Step 2: Convert to fraction form
   92,168.89/138,298.49 = 33,009.12/x
3. Step 3: Cross multiply
   92,168.89x = 138,298.49 × 33,009.12
4. Step 4: Simplify right side
   92,168.89x = 4,565,111,410.97
5. Step 5: Solve for x
   x = 4,565,111,410.97/92,168.89
6. Step 6: Final answer
   x = 49,529.85