Finding the Fourth Proportional to 1,559,221.30, 2,337,017.55 and 717,858.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,559,221.30 : 2,337,017.55 = 717,858.10 : x
2. Step 2: Convert to fraction form
   1,559,221.30/2,337,017.55 = 717,858.10/x
3. Step 3: Cross multiply
   1,559,221.30x = 2,337,017.55 × 717,858.10
4. Step 4: Simplify right side
   1,559,221.30x = 1,677,646,978,109.65
5. Step 5: Solve for x
   x = 1,677,646,978,109.65/1,559,221.30
6. Step 6: Final answer
   x = 1,075,951.81