Finding the Fourth Proportional to 765,559.51, 1,147,567.32 and 481,453.10

Step by Step Solution

1. Step 1: Write the proportion equation
   765,559.51 : 1,147,567.32 = 481,453.10 : x
2. Step 2: Convert to fraction form
   765,559.51/1,147,567.32 = 481,453.10/x
3. Step 3: Cross multiply
   765,559.51x = 1,147,567.32 × 481,453.10
4. Step 4: Simplify right side
   765,559.51x = 552,499,843,672.69
5. Step 5: Solve for x
   x = 552,499,843,672.69/765,559.51
6. Step 6: Final answer
   x = 721,694.18