Finding the Fourth Proportional to 503,732.56, 755,698.56 and 143,906.56

Step by Step Solution

1. Step 1: Write the proportion equation
   503,732.56 : 755,698.56 = 143,906.56 : x
2. Step 2: Convert to fraction form
   503,732.56/755,698.56 = 143,906.56/x
3. Step 3: Cross multiply
   503,732.56x = 755,698.56 × 143,906.56
4. Step 4: Simplify right side
   503,732.56x = 108,749,980,166.55
5. Step 5: Solve for x
   x = 108,749,980,166.55/503,732.56
6. Step 6: Final answer
   x = 215,888.33