Finding the Fourth Proportional to 2,003,211.61, 3,004,790.58 and 486,890.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003,211.61 : 3,004,790.58 = 486,890.19 : x
2. Step 2: Convert to fraction form
   2,003,211.61/3,004,790.58 = 486,890.19/x
3. Step 3: Cross multiply
   2,003,211.61x = 3,004,790.58 × 486,890.19
4. Step 4: Simplify right side
   2,003,211.61x = 1,463,003,056,406.41
5. Step 5: Solve for x
   x = 1,463,003,056,406.41/2,003,211.61
6. Step 6: Final answer
   x = 730,328.76