Finding the Fourth Proportional to 1,036,658.33, 1,554,987.50 and 859,511.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,658.33 : 1,554,987.50 = 859,511.33 : x
2. Step 2: Convert to fraction form
   1,036,658.33/1,554,987.50 = 859,511.33/x
3. Step 3: Cross multiply
   1,036,658.33x = 1,554,987.50 × 859,511.33
4. Step 4: Simplify right side
   1,036,658.33x = 1,336,529,362,185.88
5. Step 5: Solve for x
   x = 1,336,529,362,185.88/1,036,658.33
6. Step 6: Final answer
   x = 1,289,266.99