Finding the Fourth Proportional to 965,128.72, 1,331,873.56 and 535,408.84

Step by Step Solution

1. Step 1: Write the proportion equation
   965,128.72 : 1,331,873.56 = 535,408.84 : x
2. Step 2: Convert to fraction form
   965,128.72/1,331,873.56 = 535,408.84/x
3. Step 3: Cross multiply
   965,128.72x = 1,331,873.56 × 535,408.84
4. Step 4: Simplify right side
   965,128.72x = 713,096,877,786.27
5. Step 5: Solve for x
   x = 713,096,877,786.27/965,128.72
6. Step 6: Final answer
   x = 738,861.94