Finding the Fourth Proportional to 496,473.30, 744,705.77 and 141,488.37

Step by Step Solution

1. Step 1: Write the proportion equation
   496,473.30 : 744,705.77 = 141,488.37 : x
2. Step 2: Convert to fraction form
   496,473.30/744,705.77 = 141,488.37/x
3. Step 3: Cross multiply
   496,473.30x = 744,705.77 × 141,488.37
4. Step 4: Simplify right side
   496,473.30x = 105,367,204,819.45
5. Step 5: Solve for x
   x = 105,367,204,819.45/496,473.30
6. Step 6: Final answer
   x = 212,231.36