Finding the Fourth Proportional to 99,989.02, 149,991.50 and 33,429.49

Step by Step Solution

1. Step 1: Write the proportion equation
   99,989.02 : 149,991.50 = 33,429.49 : x
2. Step 2: Convert to fraction form
   99,989.02/149,991.50 = 33,429.49/x
3. Step 3: Cross multiply
   99,989.02x = 149,991.50 × 33,429.49
4. Step 4: Simplify right side
   99,989.02x = 5,014,139,349.34
5. Step 5: Solve for x
   x = 5,014,139,349.34/99,989.02
6. Step 6: Final answer
   x = 50,146.90