Finding the Fourth Proportional to 99,719.30, 149,546.50 and 33,141.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99,719.30 : 149,546.50 = 33,141.56 : x
2. Step 2: Convert to fraction form
   99,719.30/149,546.50 = 33,141.56/x
3. Step 3: Cross multiply
   99,719.30x = 149,546.50 × 33,141.56
4. Step 4: Simplify right side
   99,719.30x = 4,956,204,302.54
5. Step 5: Solve for x
   x = 4,956,204,302.54/99,719.30
6. Step 6: Final answer
   x = 49,701.56