Finding the Fourth Proportional to 738,870.55, 1,019,620.98 and 416,577.83

Step by Step Solution

1. Step 1: Write the proportion equation
   738,870.55 : 1,019,620.98 = 416,577.83 : x
2. Step 2: Convert to fraction form
   738,870.55/1,019,620.98 = 416,577.83/x
3. Step 3: Cross multiply
   738,870.55x = 1,019,620.98 × 416,577.83
4. Step 4: Simplify right side
   738,870.55x = 424,751,490,172.77
5. Step 5: Solve for x
   x = 424,751,490,172.77/738,870.55
6. Step 6: Final answer
   x = 574,865.91