Finding the Fourth Proportional to 1,103,401.74, 1,522,695.78 and 619,966.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,401.74 : 1,522,695.78 = 619,966.56 : x
2. Step 2: Convert to fraction form
   1,103,401.74/1,522,695.78 = 619,966.56/x
3. Step 3: Cross multiply
   1,103,401.74x = 1,522,695.78 × 619,966.56
4. Step 4: Simplify right side
   1,103,401.74x = 944,020,464,653.12
5. Step 5: Solve for x
   x = 944,020,464,653.12/1,103,401.74
6. Step 6: Final answer
   x = 855,554.63