Finding the Fourth Proportional to 502,091.82, 753,137.60 and 147,105.72

Step by Step Solution

1. Step 1: Write the proportion equation
   502,091.82 : 753,137.60 = 147,105.72 : x
2. Step 2: Convert to fraction form
   502,091.82/753,137.60 = 147,105.72/x
3. Step 3: Cross multiply
   502,091.82x = 753,137.60 × 147,105.72
4. Step 4: Simplify right side
   502,091.82x = 110,790,848,171.54
5. Step 5: Solve for x
   x = 110,790,848,171.54/502,091.82
6. Step 6: Final answer
   x = 220,658.54