Finding the Fourth Proportional to 1,103,584.72, 1,522,974.06 and 620,120.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,584.72 : 1,522,974.06 = 620,120.92 : x
2. Step 2: Convert to fraction form
   1,103,584.72/1,522,974.06 = 620,120.92/x
3. Step 3: Cross multiply
   1,103,584.72x = 1,522,974.06 × 620,120.92
4. Step 4: Simplify right side
   1,103,584.72x = 944,428,075,223.34
5. Step 5: Solve for x
   x = 944,428,075,223.34/1,103,584.72
6. Step 6: Final answer
   x = 855,782.12