Finding the Fourth Proportional to 957,389.33, 1,321,205.31 and 527,670.56

Step by Step Solution

1. Step 1: Write the proportion equation
   957,389.33 : 1,321,205.31 = 527,670.56 : x
2. Step 2: Convert to fraction form
   957,389.33/1,321,205.31 = 527,670.56/x
3. Step 3: Cross multiply
   957,389.33x = 1,321,205.31 × 527,670.56
4. Step 4: Simplify right side
   957,389.33x = 697,161,139,196.65
5. Step 5: Solve for x
   x = 697,161,139,196.65/957,389.33
6. Step 6: Final answer
   x = 728,189.80