Finding the Fourth Proportional to 99,707.29, 149,504.81 and 33,111.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,707.29 : 149,504.81 = 33,111.72 : x
2. Step 2: Convert to fraction form
   99,707.29/149,504.81 = 33,111.72/x
3. Step 3: Cross multiply
   99,707.29x = 149,504.81 × 33,111.72
4. Step 4: Simplify right side
   99,707.29x = 4,950,361,241.81
5. Step 5: Solve for x
   x = 4,950,361,241.81/99,707.29
6. Step 6: Final answer
   x = 49,648.94