Finding the Fourth Proportional to 1,036,012.19, 1,555,078.71 and 855,522.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,012.19 : 1,555,078.71 = 855,522.55 : x
2. Step 2: Convert to fraction form
   1,036,012.19/1,555,078.71 = 855,522.55/x
3. Step 3: Cross multiply
   1,036,012.19x = 1,555,078.71 × 855,522.55
4. Step 4: Simplify right side
   1,036,012.19x = 1,330,404,903,429.91
5. Step 5: Solve for x
   x = 1,330,404,903,429.91/1,036,012.19
6. Step 6: Final answer
   x = 1,284,159.51