Finding the Fourth Proportional to 99,622.72, 149,434.16 and 33,045.28

Step by Step Solution

1. Step 1: Write the proportion equation
   99,622.72 : 149,434.16 = 33,045.28 : x
2. Step 2: Convert to fraction form
   99,622.72/149,434.16 = 33,045.28/x
3. Step 3: Cross multiply
   99,622.72x = 149,434.16 × 33,045.28
4. Step 4: Simplify right side
   99,622.72x = 4,938,093,658.76
5. Step 5: Solve for x
   x = 4,938,093,658.76/99,622.72
6. Step 6: Final answer
   x = 49,567.95